A198950 - cp's OEIS frontend

A198950 G.f.: A(x) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^3 * x^k / A(x)^k] * x^n/n ).

n	a(n)
0	1
1	1
2	2
3	5
4	10
5	22
6	58
7	150
8	392
9	1097
10	3139
11	9069
12	26903
13	81299
14	248305
15	768521
16	2407340
17	7607947
18	24248690
19	77906841
20	251995121
21	820096599
22	2684160567
23	8830103123
24	29183369411
25	96865043941
26	322780531149
27	1079491353973
28	3622338207474
29	12193038599714
30	41161594789286

[1, 1, 2, 5, 10, 22, 58, 150, 392, 1097, 3139, 9069, 26903, 81299, 248305, 768521, 2407340, 7607947, 24248690, 77906841, 251995121, 820096599, 2684160567, 8830103123, 29183369411, 96865043941, 322780531149, 1079491353973, 3622338207474, 12193038599714, 41161594789286]

cp's OEIS Frontend

A198950 G.f.: A(x) = exp( Sum_{n>=1} [Sum_{k=0..n} C(n,k)^3 * x^k / A(x)^k] * x^n/n ).

Table of values

List of values