A129383 - cp's OEIS frontend

A129383 Expansion of g(x) - x*g(x^2), where g(x) is the g.f. of A001405.

n	a(n)
0	1
1	0
2	2
3	2
4	6
5	8
6	20
7	32
8	70
9	120
10	252
11	452
12	924
13	1696
14	3432
15	6400
16	12870
17	24240
18	48620
19	92252
20	184756
21	352464
22	705432
23	1351616
24	2704156
25	5199376
26	10400600
27	20056584
28	40116600
29	77555328
30	155117520
31	300533760
32	601080390
33	1166790240

[1, 0, 2, 2, 6, 8, 20, 32, 70, 120, 252, 452, 924, 1696, 3432, 6400, 12870, 24240, 48620, 92252, 184756, 352464, 705432, 1351616, 2704156, 5199376, 10400600, 20056584, 40116600, 77555328, 155117520, 300533760, 601080390, 1166790240]

cp's OEIS Frontend

A129383 Expansion of g(x) - x*g(x^2), where g(x) is the g.f. of A001405.

Table of values

List of values