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A014806 Expansion of Jacobi theta constant (theta_2/2)^20. 1
1, 20, 190, 1160, 5225, 18924, 58350, 158840, 391020, 886540, 1877676, 3753640, 7140485, 13014240, 22846170, 38794448, 63969485, 102744780, 161143180, 247386480, 372472353, 550858280, 801535160, 1148976360, 1624208445, 2266848372, 3126467670, 4264095520 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..10000

FORMULA

a(0) = 1, a(n) = (20/n)*Sum_{k=1..n} A002129(k)*a(n-k) for n > 0. - Seiichi Manyama, May 06 2017

CROSSREFS

Column k=20 of A286180.

Cf. A002129, A010054.

Sequence in context: A210429 A047645 A010936 * A022615 A171075 A061180

Adjacent sequences:  A014803 A014804 A014805 * A014807 A014808 A014809

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Seiichi Manyama, May 06 2017

STATUS

approved

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Last modified October 20 04:37 EDT 2019. Contains 328247 sequences. (Running on oeis4.)