List questions from summation

Published on 13 Apr 2026 - 13:22

89

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Closed form for $\sum_{k=0}^{n}{{n \choose k}a^{k^2}}$

Published on 11 Apr 2026 - 2:07

153

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Writing Wedge Product without Shuffles?

Published on 12 Apr 2026 - 8:54

56

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What's the sum of elements of this set?

Published on 14 Apr 2026 - 14:56

109

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Explicit form for $I(n) = \int_{0}^{1} \frac {(1-x)^n}{1+x^2} dx$

Published on 17 Apr 2026 - 0:35

45

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What's the sum of elements of this multi-set?

Published on 14 Apr 2026 - 9:45

149

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Is there a closed form for the sum $\sum_{k = 0}^{n} {n \choose k}(2k)! x^k$?

Published on 13 Apr 2026 - 10:41

29

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Analogue of a technique that is widely done in number theory

Published on 13 Apr 2026 - 5:59

58

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When the summation is equal to factorial and primorial products?

Published on 12 Apr 2026 - 13:22

57

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Probability summation

Published on 11 Apr 2026 - 8:15

128

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Solution to some finite sum of reciprocals of odd integers

Published on 16 Apr 2026 - 9:44

168

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Closed formula for $\sum_{k=0}^{n}\binom{n+k}{k}x^k$

Published on 13 Apr 2026 - 3:26

709

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Closed form of Euler-type sum over zeta functions $\sum _{k=2}^{\infty } \frac{\zeta (k)}{k^2}$?

Published on 25 Mar 2026 - 14:34

51

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Rewrite $2 +\cdots + ( n-1) + n +(n-1)\cdot 2$ (possible error?)

Published on 16 Apr 2026 - 10:13

84

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Closed form for a complex sum

Published on 10 Apr 2026 - 0:20

List Question

Find asymptotic boundary of recursion with sum

Closed form for $\sum_{k=0}^{n}{{n \choose k}a^{k^2}}$

Writing Wedge Product without Shuffles?

What's the sum of elements of this set?

Explicit form for $I(n) = \int_{0}^{1} \frac {(1-x)^n}{1+x^2} dx$

What's the sum of elements of this multi-set?

Is there a closed form for the sum $\sum_{k = 0}^{n} {n \choose k}(2k)! x^k$?

Analogue of a technique that is widely done in number theory

When the summation is equal to factorial and primorial products?

Probability summation

Solution to some finite sum of reciprocals of odd integers

Closed formula for $\sum_{k=0}^{n}\binom{n+k}{k}x^k$

Closed form of Euler-type sum over zeta functions $\sum _{k=2}^{\infty } \frac{\zeta (k)}{k^2}$?

Rewrite $2 +\cdots + ( n-1) + n +(n-1)\cdot 2$ (possible error?)

Closed form for a complex sum

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