A293562 Column 4 of A142249.

4, 65, 566, 3710, 20756, 105299, 500862, 2278936, 10046620, 43280341, 183278902, 766153042, 3171277460, 13027450455, 53203165950, 216290270892, 876183166140, 3539559610905, 14267986165270, 57416955957350, 230750092893524, 926388737476955, 3716144413352126

Offset: 4

Author

Vaclav Kotesovec, Oct 12 2017

Keywords

• nonn

Links

• Vaclav Kotesovec, Table of n, a(n) for n = 4..300

Crossrefs

Cf. A142249.

Programs

Mathematica

Table[(CoefficientList[Simplify[(1-x)^n * PolyLog[-n, 2, x] / (x*Log[1-x])], x]/.x->1-E)[[4]], {n, 5, 20}]

Formula

a(n) ~ 5 * 4^n / 6.