A069471 - cp's OEIS frontend

A069471 Stirling transform of squares of Bell numbers: a(0)=1, a(n) = Sum_{k=1..n} Stirling2(n,k)*(bell(k))^2.

n	a(n)
0	1
1	1
2	5
3	38
4	404
5	5640
6	98769
7	2099606
8	52883390
9	1549218221
10	52014755913
11	1977659061064
12	84305075757125
13	3995485979209678
14	209005906088572893
15	11992147240091361387
16	750583356339067110013
17	50998365413706734478011

[1, 1, 5, 38, 404, 5640, 98769, 2099606, 52883390, 1549218221, 52014755913, 1977659061064, 84305075757125, 3995485979209678, 209005906088572893, 11992147240091361387, 750583356339067110013, 50998365413706734478011]

cp's OEIS Frontend

A069471 Stirling transform of squares of Bell numbers: a(0)=1, a(n) = Sum_{k=1..n} Stirling2(n,k)*(bell(k))^2.

Table of values

List of values