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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..10.

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

Cf. A000178, A006252, A048594, A058807, A308942.

Sequence in context: A099681 A062082 A067689 * A244148 A320443 A079478

Adjacent sequences:  A308938 A308939 A308940 * A308942 A308943 A308944

KEYWORD

nonn

AUTHOR

Ilya Gutkovskiy, Jul 01 2019

STATUS

approved

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Last modified May 12 06:44 EDT 2021. Contains 343820 sequences. (Running on oeis4.)