A199875 - cp's OEIS frontend

A199875 G.f. satisfies: A(x) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^3 * x^k] * x^n*A(x)^n/n ).

n	a(n)
0	1
1	1
2	3
3	12
4	51
5	233
6	1126
7	5639
8	29001
9	152364
10	814268
11	4412733
12	24193883
13	133964582
14	748084930
15	4208233719
16	23825366565
17	135657095301
18	776310257573
19	4462597387720
20	25757503356976
21	149216036734018
22	867316809868018
23	5056666312351966
24	29564095191382323

[1, 1, 3, 12, 51, 233, 1126, 5639, 29001, 152364, 814268, 4412733, 24193883, 133964582, 748084930, 4208233719, 23825366565, 135657095301, 776310257573, 4462597387720, 25757503356976, 149216036734018, 867316809868018, 5056666312351966, 29564095191382323]

cp's OEIS Frontend

A199875 G.f. satisfies: A(x) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^3 * x^k] * x^n*A(x)^n/n ).

Table of values

List of values