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A293562 Column 4 of A142249. 2
4, 65, 566, 3710, 20756, 105299, 500862, 2278936, 10046620, 43280341, 183278902, 766153042, 3171277460, 13027450455, 53203165950, 216290270892, 876183166140, 3539559610905, 14267986165270, 57416955957350, 230750092893524, 926388737476955, 3716144413352126 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

LINKS

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

FORMULA

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

MATHEMATICA

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

CROSSREFS

Cf. A142249.

Sequence in context: A171959 A041119 A278547 * A331577 A307169 A335176

Adjacent sequences:  A293559 A293560 A293561 * A293563 A293564 A293565

KEYWORD

nonn

AUTHOR

Vaclav Kotesovec, Oct 12 2017

STATUS

approved

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Last modified October 23 08:40 EDT 2021. Contains 348211 sequences. (Running on oeis4.)