A381909 - cp's OEIS frontend

A381909 Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * B(x)) ), where B(x) is the g.f. of A002293.

n	a(n)
0	1
1	3
2	16
3	121
4	1117
5	11569
6	128648
7	1500054
8	18091859
9	223794730
10	2823369749
11	36185653049
12	469808971400
13	6165903108879
14	81667617713170
15	1090234962290114
16	14654059445570507
17	198151602861222385
18	2693625234657193038
19	36789566028850640226
20	504600217464088999466

[1, 3, 16, 121, 1117, 11569, 128648, 1500054, 18091859, 223794730, 2823369749, 36185653049, 469808971400, 6165903108879, 81667617713170, 1090234962290114, 14654059445570507, 198151602861222385, 2693625234657193038, 36789566028850640226, 504600217464088999466]

cp's OEIS Frontend

A381909 Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * B(x)) ), where B(x) is the g.f. of A002293.

Table of values

List of values