OFFSET
0,2
LINKS
Vaclav Kotesovec, Table of n, a(n) for n = 0..248
FORMULA
a(n) ~ sin((2*n+1)*Pi/4) * 2^(6*n + 8) * Pi^(n + 3/2) * n^(2*n + 3/2) / (exp(2*n) * Gamma(1/4)^(4*n + 4)). - Vaclav Kotesovec, Jan 28 2020
MATHEMATICA
nmax = 16; CoefficientList[Series[1/(1 + ContinuedFractionK[(-1)^k k (k + 1) x, 1, {k, 1, nmax}]), {x, 0, nmax}], x]
CROSSREFS
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Jan 16 2020
STATUS
approved