A331777 - cp's OEIS frontend

A331777 Numerators of coefficients in asymptotic expansion of exp(2*(H_k-gamma))/k^2 in powers of 1/k, where H_k are the harmonic numbers A001008/A002805 and gamma is the Euler-Mascheroni constant A001620.

n	a(n)
0	1
1	1
2	1
3	0
4	-1
5	1
6	-1
7	-43
8	1831
9	949
10	-137309
11	-85511
12	3404045159
13	777985057
14	-21024051077
15	-2192231411
16	467347169033357
17	10187765700589
18	-11741590582705819219
19	-3086703970985605357
20	169597995722575162268081
21	19606186988235984155519
22	-62715098968866173387571821

[1, 1, 1, 0, -1, 1, -1, -43, 1831, 949, -137309, -85511, 3404045159, 777985057, -21024051077, -2192231411, 467347169033357, 10187765700589, -11741590582705819219, -3086703970985605357, 169597995722575162268081, 19606186988235984155519, -62715098968866173387571821]

cp's OEIS Frontend

A331777 Numerators of coefficients in asymptotic expansion of exp(2*(H_k-gamma))/k^2 in powers of 1/k, where H_k are the harmonic numbers A001008/A002805 and gamma is the Euler-Mascheroni constant A001620.

Table of values

List of values