Question

Number of ways, powers of $2$ sum up specific values

score 240 · Answer 1 · 2013-12-12 00:31:15

240

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Number of ways, powers of $2$ sum up specific values

Published on 12 Dec 2013 - 0:31

score 121 · Answer 2 · 2026-04-09 14:36:13

121

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generating function and binomial distribution - counting

Published on 09 Apr 2026 - 14:36

score 1.2k · Answer 3 · 2026-04-11 17:21:11

1.2k

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score 747 · Answer 4 · 2026-04-09 22:36:17

747

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score 149 · Answer 5 · 2013-12-17 00:51:07

149

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Published on 17 Dec 2013 - 0:51

score 1.1k · Answer 6 · 2013-12-17 05:46:55

1.1k

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Solving a weird recurrence relation using exponential generating functions and differential equations

Published on 17 Dec 2013 - 5:46

score 222 · Answer 7 · 2026-04-09 09:43:25

222

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Why does the exponential generating function approach fail here?

Published on 09 Apr 2026 - 9:43

score 121 · Answer 8 · 2013-12-18 05:09:05

121

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find expectation of non-negative integer valued RV from generating function

Published on 18 Dec 2013 - 5:09

score 2.5k · Answer 9 · 2026-04-09 07:27:50

2.5k

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How to recover the probability mass function from probability generating function?

Published on 09 Apr 2026 - 7:27

score 295 · Answer 10 · 2026-04-09 06:03:05

295

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Published on 09 Apr 2026 - 6:03

score 300 · Answer 11 · 2026-04-11 07:03:33

300

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Dealing with Generating Functions accurately

Published on 11 Apr 2026 - 7:03

score 1.4k · Answer 12 · 2013-12-28 17:54:02

1.4k

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Stars and bars with restriction of size between bars via generating functions.

Published on 28 Dec 2013 - 17:54

score 128 · Answer 13 · 2026-04-08 02:36:35

128

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Evaluate $\sum_{n=1}^{\infty} \frac{\ln n}{(n+1)!}$

Published on 08 Apr 2026 - 2:36

score 82 · Answer 14 · 2026-04-08 02:33:07

82

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Generating function of $ \lim_{x\rightarrow 0} \frac{1}{n!} \frac{\partial^n}{\partial x^n} [(1+ax)^n f(x)] $

Published on 08 Apr 2026 - 2:33

score 181 · Answer 15 · 2026-03-25 11:16:24

181

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Ramanujan Notebook Part 1 (1.16): $\sum q^{n^2} = (-q;q^2)_\infty^2(q^2;q^2)_\infty=\frac{(-q;-q)_\infty}{(q;-q)_\infty}$

Published on 25 Mar 2026 - 11:16

List Question

Number of ways, powers of $2$ sum up specific values

generating function and binomial distribution - counting

How to find Coefficient in product of binomials?

Generating Function of a Recurrence Relation.

Find the number of ways that 2n people may be paired.

Solving a weird recurrence relation using exponential generating functions and differential equations

Why does the exponential generating function approach fail here?

find expectation of non-negative integer valued RV from generating function

How to recover the probability mass function from probability generating function?

Generating function for lattice points in a sphere

Dealing with Generating Functions accurately

Stars and bars with restriction of size between bars via generating functions.

Evaluate $\sum_{n=1}^{\infty} \frac{\ln n}{(n+1)!}$

Generating function of $ \lim_{x\rightarrow 0} \frac{1}{n!} \frac{\partial^n}{\partial x^n} [(1+ax)^n f(x)] $

Ramanujan Notebook Part 1 (1.16): $\sum q^{n^2} = (-q;q^2)_\infty^2(q^2;q^2)_\infty=\frac{(-q;-q)_\infty}{(q;-q)_\infty}$

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