A339985 - cp's OEIS frontend

A339985 G.f.: g(x)^2 * g(x^2), where g(x) is the g.f. of A000081.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	2
6	6
7	14
8	37
9	90
10	232
11	584
12	1512
13	3906
14	10246
15	26984
16	71766
17	191852
18	516400
19	1396760
20	3797435
21	10367628
22	28420466
23	78183462
24	215791426
25	597368222
26	1658233794
27	4614679792
28	12872125836
29	35982713314
30	100787606966
31	282832173830
32	795070060983

[0, 0, 0, 0, 1, 2, 6, 14, 37, 90, 232, 584, 1512, 3906, 10246, 26984, 71766, 191852, 516400, 1396760, 3797435, 10367628, 28420466, 78183462, 215791426, 597368222, 1658233794, 4614679792, 12872125836, 35982713314, 100787606966, 282832173830, 795070060983]

cp's OEIS Frontend

A339985 G.f.: g(x)^2 * g(x^2), where g(x) is the g.f. of A000081.

Table of values

List of values