A188137 - cp's OEIS frontend

A188137 Riordan array (1, x(1-x)/(1-3x+x^2)).

n	a(n)
1	1
2	2
3	1
4	5
5	4
6	1
7	13
8	14
9	6
10	1
11	34
12	46
13	27
14	8
15	1
16	89
17	145
18	107
19	44
20	10
21	1
22	233
23	444
24	393
25	204
26	65
27	12
28	1
29	610
30	1331
31	1371
32	854
33	345
34	90
35	14
36	1
37	1597
38	3926
39	4607
40	3336
41	1620
42	538
43	119
44	16
45	1
46	4181
47	11434
48	15045
49	12390
50	6997
51	2799
52	791
53	152
54	18
55	1

[1, 2, 1, 5, 4, 1, 13, 14, 6, 1, 34, 46, 27, 8, 1, 89, 145, 107, 44, 10, 1, 233, 444, 393, 204, 65, 12, 1, 610, 1331, 1371, 854, 345, 90, 14, 1, 1597, 3926, 4607, 3336, 1620, 538, 119, 16, 1, 4181, 11434, 15045, 12390, 6997, 2799, 791, 152, 18, 1]

cp's OEIS Frontend

A188137 Riordan array (1, x(1-x)/(1-3x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A188137 Riordan array (1, x*(1-x)/(1-3*x+x^2)).

Table of values

List of values

A188137 Riordan array (1, x(1-x)/(1-3x+x^2)).