A168151 - cp's OEIS frontend

A168151 Riordan array (1/u,(1-u)/2), u=sqrt(1-4x+4*x^3).

n	a(n)
0	1
1	2
2	1
3	6
4	3
5	1
6	18
7	9
8	4
9	1
10	58
11	29
12	13
13	5
14	1
15	192
16	96
17	44
18	18
19	6
20	1
21	650
22	325
23	151
24	64
25	24
26	7
27	1
28	2232
29	1116
30	524
31	228
32	90
33	31
34	8
35	1
36	7746
37	3873
38	1833
39	813
40	333
41	123
42	39
43	9
44	1
45	27096
46	13548
47	6452
48	2904
49	1222
50	473
51	164
52	48
53	10
54	1

[1, 2, 1, 6, 3, 1, 18, 9, 4, 1, 58, 29, 13, 5, 1, 192, 96, 44, 18, 6, 1, 650, 325, 151, 64, 24, 7, 1, 2232, 1116, 524, 228, 90, 31, 8, 1, 7746, 3873, 1833, 813, 333, 123, 39, 9, 1, 27096, 13548, 6452, 2904, 1222, 473, 164, 48, 10, 1]

cp's OEIS Frontend

A168151 Riordan array (1/u,(1-u)/2), u=sqrt(1-4x+4*x^3).

Table of values

List of values