A125279 - cp's OEIS frontend

A125279 G.f.: A(x) = (1/x)*series_reversion(x^2/G(x)) where G(x) is the g.f. of A030266, which shifts left under self-COMPOSE.

n	a(n)
0	1
1	1
2	3
3	13
4	68
5	400
6	2555
7	17375
8	124280
9	927711
10	7189102
11	57627044
12	476645965
13	4061184195
14	35604795538
15	320957712849
16	2973550524004
17	28305757130713
18	276806230525768
19	2780528226936569
20	28686373905833717
21	303913110837114965

[1, 1, 3, 13, 68, 400, 2555, 17375, 124280, 927711, 7189102, 57627044, 476645965, 4061184195, 35604795538, 320957712849, 2973550524004, 28305757130713, 276806230525768, 2780528226936569, 28686373905833717, 303913110837114965]

cp's OEIS Frontend

A125279 G.f.: A(x) = (1/x)*series_reversion(x^2/G(x)) where G(x) is the g.f. of A030266, which shifts left under self-COMPOSE.

Table of values

List of values