List questions from summation

Published on 25 May 2019 - 13:21

175

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Closed form for sum of powers

Published on 25 Mar 2026 - 11:12

48

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$S=\sum_{k=2}^{n}\frac{k^{2}-2}{k!}, n\geq 2$

Published on 25 May 2019 - 17:49

76

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Find $S_{n}=\sum_{k=1}^{n}k!(k^2+1)$

Published on 25 May 2019 - 20:49

127

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Products of trig functions and the Thue–Morse sequence

Published on 28 Mar 2026 - 12:02

179

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Prove identity $\sum^n_{k = 0} \binom {r+k} {r} = \binom{r+n+1} {r+1}$ using lattice paths

Published on 26 Mar 2026 - 1:34

64

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Calculate limit in use of integrals

Published on 26 May 2019 - 9:05

73

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Calculate limit in use of integrals.

Published on 26 May 2019 - 9:44

224

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Sum of two Fox H-functions

Published on 27 Mar 2026 - 16:47

140

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Partial fractions for any function?

Published on 26 Mar 2026 - 2:52

64

Views

Is there a simpler way to sum the first $n$ terms of the sequence of numbers starting at 2 and squaring to get the next?

Published on 26 Mar 2026 - 17:47

3k

Views

Digital number counting

Published on 27 May 2019 - 11:26

149

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$\sum_{i=1}^x\sum_{j=1}^xf(i\cdot j)$ Double Summing a (Not Completely) Multiplicative Function

Published on 01 Apr 2026 - 23:31

24

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Symbolic evaluation of the double series with terms $1/[a^2 + (b + m)^2 + (c+n)^2]$

Published on 24 May 2019 - 20:02

69

Views

$\sum_{n=1}^{\infty}(n \mod 7)10^{-n!}$

Published on 03 Apr 2026 - 0:49

List Question

Change the order of minimum in sums

Closed form for sum of powers

$S=\sum_{k=2}^{n}\frac{k^{2}-2}{k!}, n\geq 2$

Find $S_{n}=\sum_{k=1}^{n}k!(k^2+1)$

Products of trig functions and the Thue–Morse sequence

Prove identity $\sum^n_{k = 0} \binom {r+k} {r} = \binom{r+n+1} {r+1}$ using lattice paths

Calculate limit in use of integrals

Calculate limit in use of integrals.

Sum of two Fox H-functions

Partial fractions for any function?

Is there a simpler way to sum the first $n$ terms of the sequence of numbers starting at 2 and squaring to get the next?

Digital number counting

$\sum_{i=1}^x\sum_{j=1}^xf(i\cdot j)$ Double Summing a (Not Completely) Multiplicative Function

Symbolic evaluation of the double series with terms $1/[a^2 + (b + m)^2 + (c+n)^2]$

$\sum_{n=1}^{\infty}(n \mod 7)10^{-n!}$

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