A107027 - cp's OEIS frontend

A107027 Number triangle associated to the Riordan arrays (1/(1+x),x/(1+x)^k),k>=0.

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	2
6	1
7	2
8	4
9	2
10	1
11	2
12	6
13	8
14	2
15	1
16	2
17	8
18	20
19	16
20	2
21	1
22	2
23	10
24	38
25	70
26	32
27	2
28	1
29	2
30	12
31	62
32	196
33	252
34	64
35	2
36	1
37	2
38	14
39	92
40	426
41	1062
42	924
43	128
44	2
45	1
46	2
47	16
48	128
49	792
50	3112
51	5948
52	3432
53	256
54	2
55	1
56	2
57	18
58	170
59	1326
60	7302
61	23686
62	34120
63	12870
64	512
65	2

[1, 1, 2, 1, 2, 2, 1, 2, 4, 2, 1, 2, 6, 8, 2, 1, 2, 8, 20, 16, 2, 1, 2, 10, 38, 70, 32, 2, 1, 2, 12, 62, 196, 252, 64, 2, 1, 2, 14, 92, 426, 1062, 924, 128, 2, 1, 2, 16, 128, 792, 3112, 5948, 3432, 256, 2, 1, 2, 18, 170, 1326, 7302, 23686, 34120, 12870, 512, 2]

cp's OEIS Frontend

A107027 Number triangle associated to the Riordan arrays (1/(1+x),x/(1+x)^k),k>=0.

Table of values

List of values