A122418 - cp's OEIS frontend

A122418 a(n) = Sum_{k=0..n} (k-1)^nk!Stirling2(n,k).

n	a(n)
0	1
1	0
2	2
3	54
4	2534
5	186030
6	19794662
7	2885980734
8	552803552534
9	134687987183790
10	40686498089484422
11	14925683377452413214
12	6536580413039406774134
13	3368723388994026165415950
14	2018248855531992511720945382
15	1390953089533285777007059354494
16	1092714503596231472933813958469334

[1, 0, 2, 54, 2534, 186030, 19794662, 2885980734, 552803552534, 134687987183790, 40686498089484422, 14925683377452413214, 6536580413039406774134, 3368723388994026165415950, 2018248855531992511720945382, 1390953089533285777007059354494, 1092714503596231472933813958469334]

cp's OEIS Frontend

A122418 a(n) = Sum_{k=0..n} (k-1)^nk!Stirling2(n,k).

Table of values

List of values

cp's OEIS Frontend

A122418 a(n) = Sum_{k=0..n} (k-1)^n*k!*Stirling2(n,k).

Table of values

List of values

A122418 a(n) = Sum_{k=0..n} (k-1)^nk!Stirling2(n,k).