OFFSET
0,3
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..576
FORMULA
a(n) = (-1)^n * A000110(n).
G.f.: Sum_{k>=0} (-x)^k / Product_{j=1..k} (1 + j*x). - Ilya Gutkovskiy, Dec 14 2019
MATHEMATICA
Table[(-1)^n*BellB[n], {n, 0, 40}] (* G. C. Greubel, Jan 05 2026 *)
PROG
(PARI) my(x='x+O('x^40)); Vec(serlaplace(exp(exp(-x)-1)))
(Magma)
A292935:= func< n | (-1)^n*Bell(n) >;
[A292935(n): n in [0..40]]; // G. C. Greubel, Jan 05 2026
(SageMath)
def A292935(n): return (-1)^n*bell_number(n) # G. C. Greubel, Jan 05 2026
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Sep 27 2017
STATUS
approved
