OFFSET
0,6
COMMENTS
Inverse binomial transform of A006252.
FORMULA
a(n) = Sum_{k=0..n} (-1)^(n - k) * binomial(n,k) * A006252(k).
a(n) = (-1)^n + Sum_{k=1..n} (-1)^(k-1) * (k-1)! * binomial(n,k) * a(n-k). - Seiichi Manyama, Dec 19 2023
MATHEMATICA
nmax = 23; CoefficientList[Series[Exp[-x]/(1 - Log[1 + x]), {x, 0, nmax}], x] Range[0, nmax]!
CROSSREFS
KEYWORD
sign
AUTHOR
Ilya Gutkovskiy, Dec 03 2019
STATUS
approved