A192555 - cp's OEIS frontend

A192555 a(n) = Sum_{k=0..n} Stirling2(n+1, k+1)(-1)^(n-k)k!^2.

n	a(n)
0	1
1	0
2	2
3	18
4	302
5	7770
6	285182
7	14169498
8	916379102
9	74833699770
10	7532323742462
11	916288114073178
12	132533661862902302
13	22482642651307262970
14	4420834602574484743742
15	997471931914411955132058
16	255978001773528747607767902
17	74137405656663750753878861370

[1, 0, 2, 18, 302, 7770, 285182, 14169498, 916379102, 74833699770, 7532323742462, 916288114073178, 132533661862902302, 22482642651307262970, 4420834602574484743742, 997471931914411955132058, 255978001773528747607767902, 74137405656663750753878861370]

cp's OEIS Frontend

A192555 a(n) = Sum_{k=0..n} Stirling2(n+1, k+1)(-1)^(n-k)k!^2.

Table of values

List of values

cp's OEIS Frontend

A192555 a(n) = Sum_{k=0..n} Stirling2(n+1, k+1)*(-1)^(n-k)*k!^2.

Table of values

List of values

A192555 a(n) = Sum_{k=0..n} Stirling2(n+1, k+1)(-1)^(n-k)k!^2.