A127631 - cp's OEIS frontend

A127631 Square of Riordan array (1, x*c(x)) where c(x) is the g.f. of A000108.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	1
6	0
7	6
8	4
9	1
10	0
11	21
12	16
13	6
14	1
15	0
16	80
17	66
18	30
19	8
20	1
21	0
22	322
23	280
24	143
25	48
26	10
27	1
28	0
29	1348
30	1216
31	672
32	260
33	70
34	12
35	1
36	0
37	5814
38	5385
39	3150
40	1344
41	425
42	96
43	14
44	1
45	0
46	25674
47	24244
48	14799
49	6784
50	2400
51	646
52	126
53	16
54	1

[1, 0, 1, 0, 2, 1, 0, 6, 4, 1, 0, 21, 16, 6, 1, 0, 80, 66, 30, 8, 1, 0, 322, 280, 143, 48, 10, 1, 0, 1348, 1216, 672, 260, 70, 12, 1, 0, 5814, 5385, 3150, 1344, 425, 96, 14, 1, 0, 25674, 24244, 14799, 6784, 2400, 646, 126, 16, 1]

cp's OEIS Frontend

A127631 Square of Riordan array (1, x*c(x)) where c(x) is the g.f. of A000108.

Table of values

List of values