A219261 - cp's OEIS frontend

A219261 G.f. satisfies: A(x) = exp( Sum_{n>=1} x^nA(x^n)/n Product_{k>=1} (1 + x^(nk)A(x^n)^k) ).

n	a(n)
0	1
1	1
2	3
3	9
4	33
5	124
6	503
7	2089
8	8960
9	39142
10	173978
11	783347
12	3567123
13	16395199
14	75966835
15	354447193
16	1663921966
17	7853325055
18	37244059607
19	177388171005
20	848148206917
21	4069483589180
22	19588001935380
23	94559416543623
24	457697632011720
25	2220852281129195
26	10800560004895426

[1, 1, 3, 9, 33, 124, 503, 2089, 8960, 39142, 173978, 783347, 3567123, 16395199, 75966835, 354447193, 1663921966, 7853325055, 37244059607, 177388171005, 848148206917, 4069483589180, 19588001935380, 94559416543623, 457697632011720, 2220852281129195, 10800560004895426]

cp's OEIS Frontend

A219261 G.f. satisfies: A(x) = exp( Sum_{n>=1} x^nA(x^n)/n Product_{k>=1} (1 + x^(nk)A(x^n)^k) ).

Table of values

List of values

cp's OEIS Frontend

A219261 G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n*A(x^n)/n * Product_{k>=1} (1 + x^(n*k)*A(x^n)^k) ).

Table of values

List of values

A219261 G.f. satisfies: A(x) = exp( Sum_{n>=1} x^nA(x^n)/n Product_{k>=1} (1 + x^(nk)A(x^n)^k) ).