A171803 - cp's OEIS frontend

A171803 G.f. satisfies: A(x) = P(x*A(x))^2 where A(x/P(x)^2) = P(x)^2 and P(x) is the g.f. for Partition numbers (A000041).

n	a(n)
0	1
1	2
2	9
3	48
4	286
5	1818
6	12086
7	82992
8	584079
9	4190738
10	30539814
11	225426240
12	1681904909
13	12663614266
14	96099303213
15	734250983952
16	5643749482600
17	43610375803722
18	338578974873523
19	2639771240159904
20	20659895819582337

[1, 2, 9, 48, 286, 1818, 12086, 82992, 584079, 4190738, 30539814, 225426240, 1681904909, 12663614266, 96099303213, 734250983952, 5643749482600, 43610375803722, 338578974873523, 2639771240159904, 20659895819582337]

cp's OEIS Frontend

A171803 G.f. satisfies: A(x) = P(x*A(x))^2 where A(x/P(x)^2) = P(x)^2 and P(x) is the g.f. for Partition numbers (A000041).

Table of values

List of values