A171802 - cp's OEIS frontend

A171802 G.f. satisfies: A(x) = P(x*A(x)^2) where A(x/P(x)^2) = P(x) is the g.f. for Partition numbers (A000041).

n	a(n)
0	1
1	1
2	4
3	20
4	115
5	714
6	4669
7	31671
8	220800
9	1572395
10	11389059
11	83642650
12	621400794
13	4661706035
14	35264616260
15	268700873765
16	2060348179869
17	15886552304352
18	123102352038195
19	958128272163860
20	7487015421267228
21	58715989507106041

[1, 1, 4, 20, 115, 714, 4669, 31671, 220800, 1572395, 11389059, 83642650, 621400794, 4661706035, 35264616260, 268700873765, 2060348179869, 15886552304352, 123102352038195, 958128272163860, 7487015421267228, 58715989507106041]

cp's OEIS Frontend

A171802 G.f. satisfies: A(x) = P(x*A(x)^2) where A(x/P(x)^2) = P(x) is the g.f. for Partition numbers (A000041).

Table of values

List of values