OFFSET
0,3
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..34
MATHEMATICA
Table[Sum[StirlingS2[n, k]^n, {k, 0, n}], {n, 0, 11}]
PROG
(PARI) a(n) = sum(k=0, n, stirling(n, k, 2)^n) \\ Felix Fröhlich, Jun 06 2021
(Magma) [(&+[StirlingSecond(n, j)^n: j in [0..n]]): n in [0..20]]; // G. C. Greubel, Aug 31 2022
(SageMath)
def A345041(n): return sum(stirling_number2(n, j)^n for j in (0..n))
[A345041(n) for n in (0..20)] # G. C. Greubel, Aug 31 2022
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Jun 06 2021
STATUS
approved