A192552 - cp's OEIS frontend

A192552 a(n) = sum(stirling2(n,k)(-1)^(n-k)k!^2,k=0..n).

n	a(n)
0	1
1	1
2	3
3	25
4	387
5	9481
6	336723
7	16340185
8	1038177507
9	83616187561
10	8323660051443
11	1003415542660345
12	144043181112445827
13	24279259683302736841
14	4747993384270354742163
15	1066206704980940216628505
16	272480888391150986151565347

[1, 1, 3, 25, 387, 9481, 336723, 16340185, 1038177507, 83616187561, 8323660051443, 1003415542660345, 144043181112445827, 24279259683302736841, 4747993384270354742163, 1066206704980940216628505, 272480888391150986151565347]

cp's OEIS Frontend

A192552 a(n) = sum(stirling2(n,k)(-1)^(n-k)k!^2,k=0..n).

Table of values

List of values

cp's OEIS Frontend

A192552 a(n) = sum(stirling2(n,k)*(-1)^(n-k)*k!^2,k=0..n).

Table of values

List of values

A192552 a(n) = sum(stirling2(n,k)(-1)^(n-k)k!^2,k=0..n).