A001052 - cp's OEIS frontend

A001052 a(n) = n(n-1)a(n-1)/2 + a(n-2), a(0) = 1, a(1) = 2.

n	a(n)
0	1
1	2
2	3
3	11
4	69
5	701
6	10584
7	222965
8	6253604
9	225352709
10	10147125509
11	558317255704
12	36859086001973
13	2875567025409598
14	261713458398275391
15	27482788698844325653
16	3298196357319717353751
17	448582187384180404435789
18	68636372866136921596029468

[1, 2, 3, 11, 69, 701, 10584, 222965, 6253604, 225352709, 10147125509, 558317255704, 36859086001973, 2875567025409598, 261713458398275391, 27482788698844325653, 3298196357319717353751, 448582187384180404435789, 68636372866136921596029468]

cp's OEIS Frontend

A001052 a(n) = n(n-1)a(n-1)/2 + a(n-2), a(0) = 1, a(1) = 2.

Table of values

List of values

cp's OEIS Frontend

A001052 a(n) = n*(n-1)*a(n-1)/2 + a(n-2), a(0) = 1, a(1) = 2.

Table of values

List of values

A001052 a(n) = n(n-1)a(n-1)/2 + a(n-2), a(0) = 1, a(1) = 2.