A238731 - cp's OEIS frontend

A238731 Riordan array ((1-2x)/(1-3x+x^2), x/(1-3*x+x^2)).

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	1
6	5
7	13
8	7
9	1
10	13
11	40
12	33
13	10
14	1
15	34
16	120
17	132
18	62
19	13
20	1
21	89
22	354
23	483
24	308
25	100
26	16
27	1
28	233
29	1031
30	1671
31	1345
32	595
33	147
34	19
35	1
36	610
37	2972
38	5561
39	5398
40	3030
41	1020
42	203
43	22
44	1
45	1597
46	8495
47	17984
48	20410
49	13893
50	5943
51	1610
52	268
53	25
54	1
55	4181

[1, 1, 1, 2, 4, 1, 5, 13, 7, 1, 13, 40, 33, 10, 1, 34, 120, 132, 62, 13, 1, 89, 354, 483, 308, 100, 16, 1, 233, 1031, 1671, 1345, 595, 147, 19, 1, 610, 2972, 5561, 5398, 3030, 1020, 203, 22, 1, 1597, 8495, 17984, 20410, 13893, 5943, 1610, 268, 25, 1, 4181]

cp's OEIS Frontend

A238731 Riordan array ((1-2x)/(1-3x+x^2), x/(1-3*x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A238731 Riordan array ((1-2*x)/(1-3*x+x^2), x/(1-3*x+x^2)).

Table of values

List of values

A238731 Riordan array ((1-2x)/(1-3x+x^2), x/(1-3*x+x^2)).