A167432 - cp's OEIS frontend

A167432 Riordan array (c(2x)^2,xc(2x)), c(x) the g.f. of A000108.

n	a(n)
0	1
1	4
2	1
3	20
4	6
5	1
6	112
7	36
8	8
9	1
10	672
11	224
12	56
13	10
14	1
15	4224
16	1440
17	384
18	80
19	12
20	1
21	27456
22	9504
23	2640
24	600
25	108
26	14
27	1
28	183040
29	64064
30	18304
31	4400
32	880
33	140
34	16
35	1
36	1244672
37	439296
38	128128
39	32032
40	6864
41	1232
42	176
43	18
44	1
45	8599552
46	3055104
47	905216
48	232960

[1, 4, 1, 20, 6, 1, 112, 36, 8, 1, 672, 224, 56, 10, 1, 4224, 1440, 384, 80, 12, 1, 27456, 9504, 2640, 600, 108, 14, 1, 183040, 64064, 18304, 4400, 880, 140, 16, 1, 1244672, 439296, 128128, 32032, 6864, 1232, 176, 18, 1, 8599552, 3055104, 905216, 232960]

cp's OEIS Frontend

A167432 Riordan array (c(2x)^2,xc(2x)), c(x) the g.f. of A000108.

Table of values

List of values