A103141 - cp's OEIS frontend

A103141 Riordan array (1/(1-x), x*(1 + x + x^2 + x^3)/(1-x)).

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	6
8	5
9	1
10	1
11	10
12	15
13	7
14	1
15	1
16	14
17	35
18	28
19	9
20	1
21	1
22	18
23	68
24	84
25	45
26	11
27	1
28	1
29	22
30	116
31	207
32	165
33	66
34	13
35	1
36	1
37	26
38	180
39	441
40	491
41	286
42	91
43	15
44	1
45	1
46	30
47	260
48	840
49	1251
50	996
51	455
52	120
53	17
54	1
55	1
56	34
57	356
58	1464
59	2823
60	2948
61	1814
62	680
63	153
64	19
65	1

[1, 1, 1, 1, 3, 1, 1, 6, 5, 1, 1, 10, 15, 7, 1, 1, 14, 35, 28, 9, 1, 1, 18, 68, 84, 45, 11, 1, 1, 22, 116, 207, 165, 66, 13, 1, 1, 26, 180, 441, 491, 286, 91, 15, 1, 1, 30, 260, 840, 1251, 996, 455, 120, 17, 1, 1, 34, 356, 1464, 2823, 2948, 1814, 680, 153, 19, 1]

cp's OEIS Frontend

A103141 Riordan array (1/(1-x), x*(1 + x + x^2 + x^3)/(1-x)).

Table of values

List of values