A167630 - cp's OEIS frontend

A167630 Riordan array (1/(1-x),xm(x)) where m(x) is the g.f. of Motzkin numbers A001006.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	3
9	1
10	1
11	8
12	8
13	4
14	1
15	1
16	17
17	20
18	13
19	5
20	1
21	1
22	38
23	50
24	38
25	19
26	6
27	1
28	1
29	89
30	126
31	107
32	63
33	26
34	7
35	1
36	1
37	216
38	322
39	296
40	196
41	96
42	34
43	8
44	1
45	1
46	539
47	834
48	814
49	588
50	326
51	138
52	43
53	9
54	1
55	1
56	1374
57	2187
58	2236
59	1728
60	1052
61	507
62	190
63	53
64	10
65	1

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 8, 8, 4, 1, 1, 17, 20, 13, 5, 1, 1, 38, 50, 38, 19, 6, 1, 1, 89, 126, 107, 63, 26, 7, 1, 1, 216, 322, 296, 196, 96, 34, 8, 1, 1, 539, 834, 814, 588, 326, 138, 43, 9, 1, 1, 1374, 2187, 2236, 1728, 1052, 507, 190, 53, 10, 1]

cp's OEIS Frontend

A167630 Riordan array (1/(1-x),xm(x)) where m(x) is the g.f. of Motzkin numbers A001006.

Table of values

List of values