A369581 - cp's OEIS frontend

A369581 Expansion of (1/x) * Series_Reversion( x / (1+x+x^4/(1+x)^2) ).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	4
6	7
7	11
8	20
9	40
10	79
11	147
12	278
13	550
14	1110
15	2204
16	4352
17	8708
18	17689
19	35971
20	72933
21	148271
22	303582
23	624132
24	1283898
25	2643354
26	5458457
27	11306443
28	23460067
29	48727689
30	101363663
31	211262307
32	441026328
33	921743772
34	1928573045
35	4040272335
36	8474803721

[1, 1, 1, 1, 2, 4, 7, 11, 20, 40, 79, 147, 278, 550, 1110, 2204, 4352, 8708, 17689, 35971, 72933, 148271, 303582, 624132, 1283898, 2643354, 5458457, 11306443, 23460067, 48727689, 101363663, 211262307, 441026328, 921743772, 1928573045, 4040272335, 8474803721]

cp's OEIS Frontend

A369581 Expansion of (1/x) * Series_Reversion( x / (1+x+x^4/(1+x)^2) ).

Table of values

List of values