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A308941
a(n) = Product_{k=1..n} |Stirling1(n,k)| * k!.
1
1, 1, 2, 72, 114048, 14515200000, 234709539840000000, 698712561855933972480000000, 523145284340194421434020324704256000000, 128974285815375032145715297526239008267285037056000000, 13271794881195622862513637643190449698396346431150489600000000000000000
OFFSET
0,3
MATHEMATICA
Table[Product[Abs[StirlingS1[n, k]] k!, {k, 1, n}], {n, 0, 10}]
PROG
(PARI) a(n) = prod(k=1, n, abs(stirling(n, k, 1))*k!); \\ Michel Marcus, Jul 02 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Jul 01 2019
STATUS
approved