A242817 - cp's OEIS frontend

A242817 a(n) = B(n,n), where B(n,x) = Sum_{k=0..n} Stirling2(n,k)*x^k are the Bell polynomials (also known as exponential polynomials or Touchard polynomials).

n	a(n)
0	1
1	1
2	6
3	57
4	756
5	12880
6	268098
7	6593839
8	187104200
9	6016681467
10	216229931110
11	8588688990640
12	373625770888956
13	17666550789597073
14	902162954264563306
15	49482106424507339565
16	2901159958960121863952
17	181069240855214001514460
18	11985869691525854175222222

[1, 1, 6, 57, 756, 12880, 268098, 6593839, 187104200, 6016681467, 216229931110, 8588688990640, 373625770888956, 17666550789597073, 902162954264563306, 49482106424507339565, 2901159958960121863952, 181069240855214001514460, 11985869691525854175222222]

cp's OEIS Frontend

A242817 a(n) = B(n,n), where B(n,x) = Sum_{k=0..n} Stirling2(n,k)*x^k are the Bell polynomials (also known as exponential polynomials or Touchard polynomials).

Table of values

List of values