A158909 - cp's OEIS frontend

A158909 Riordan array (1/((1-x)(1-x^2)), x/(1-x)^2). Triangle read by rows, T(n,k) for 0 <= k <= n.

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	1
6	2
7	7
8	5
9	1
10	3
11	13
12	16
13	7
14	1
15	3
16	22
17	40
18	29
19	9
20	1
21	4
22	34
23	86
24	91
25	46
26	11
27	1
28	4
29	50
30	166
31	239
32	174
33	67
34	13
35	1
36	5
37	70
38	296
39	553
40	541
41	297
42	92
43	15
44	1
45	5
46	95
47	496
48	1163
49	1461
50	1068
51	468
52	121
53	17
54	1
55	6
56	125
57	791
58	2269
59	3544
60	3300
61	1912
62	695
63	154
64	19
65	1

[1, 1, 1, 2, 3, 1, 2, 7, 5, 1, 3, 13, 16, 7, 1, 3, 22, 40, 29, 9, 1, 4, 34, 86, 91, 46, 11, 1, 4, 50, 166, 239, 174, 67, 13, 1, 5, 70, 296, 553, 541, 297, 92, 15, 1, 5, 95, 496, 1163, 1461, 1068, 468, 121, 17, 1, 6, 125, 791, 2269, 3544, 3300, 1912, 695, 154, 19, 1]

cp's OEIS Frontend

A158909 Riordan array (1/((1-x)(1-x^2)), x/(1-x)^2). Triangle read by rows, T(n,k) for 0 <= k <= n.

Table of values

List of values