A111106 - cp's OEIS frontend

A111106 Riordan array (1, x*g(x)) where g(x) is g.f. of double factorials A001147.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	1
6	0
7	3
8	2
9	1
10	0
11	15
12	7
13	3
14	1
15	0
16	105
17	36
18	12
19	4
20	1
21	0
22	945
23	249
24	64
25	18
26	5
27	1
28	0
29	10395
30	2190
31	441
32	100
33	25
34	6
35	1
36	0
37	135135
38	23535
39	3807
40	691
41	145
42	33
43	7
44	1
45	0
46	2027025
47	299880
48	40032
49	5880
50	1010
51	200
52	42
53	8
54	1

[1, 0, 1, 0, 1, 1, 0, 3, 2, 1, 0, 15, 7, 3, 1, 0, 105, 36, 12, 4, 1, 0, 945, 249, 64, 18, 5, 1, 0, 10395, 2190, 441, 100, 25, 6, 1, 0, 135135, 23535, 3807, 691, 145, 33, 7, 1, 0, 2027025, 299880, 40032, 5880, 1010, 200, 42, 8, 1]

cp's OEIS Frontend

A111106 Riordan array (1, x*g(x)) where g(x) is g.f. of double factorials A001147.

Table of values

List of values