A172026 - cp's OEIS frontend

A172026 Riordan array (f(x^2), x*f(x^2)) where f(x) is the g.f. of A001764.

n	a(n)
0	1
1	0
2	1
3	1
4	0
5	1
6	0
7	2
8	0
9	1
10	3
11	0
12	3
13	0
14	1
15	0
16	7
17	0
18	4
19	0
20	1
21	12
22	0
23	12
24	0
25	5
26	0
27	1
28	0
29	30
30	0
31	18
32	0
33	6
34	0
35	1
36	55
37	0
38	55
39	0
40	25
41	0
42	7
43	0
44	1
45	0
46	143
47	0
48	88
49	0
50	33
51	0
52	8
53	0
54	1
55	273
56	0
57	273
58	0
59	130
60	0
61	42
62	0
63	9
64	0
65	1
66	0
67	728
68	0
69	455
70	0
71	182
72	0
73	52
74	0
75	10
76	0
77	1
78	1428
79	0
80	1428
81	0
82	700
83	0
84	245
85	0

[1, 0, 1, 1, 0, 1, 0, 2, 0, 1, 3, 0, 3, 0, 1, 0, 7, 0, 4, 0, 1, 12, 0, 12, 0, 5, 0, 1, 0, 30, 0, 18, 0, 6, 0, 1, 55, 0, 55, 0, 25, 0, 7, 0, 1, 0, 143, 0, 88, 0, 33, 0, 8, 0, 1, 273, 0, 273, 0, 130, 0, 42, 0, 9, 0, 1, 0, 728, 0, 455, 0, 182, 0, 52, 0, 10, 0, 1, 1428, 0, 1428, 0, 700, 0, 245, 0]

cp's OEIS Frontend

A172026 Riordan array (f(x^2), x*f(x^2)) where f(x) is the g.f. of A001764.

Table of values

List of values