A081265 - cp's OEIS frontend

A081265 Triangle of coefficients of the polynomials a(n, x) = 2a(n-1, x)+ x^2a(n-2,x), n >= 1, a(0, x) = 1, a(1, x) = 1.

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	1
6	4
7	0
8	3
9	0
10	8
11	0
12	8
13	0
14	1
15	16
16	0
17	20
18	0
19	5
20	0
21	32
22	0
23	48
24	0
25	18
26	0
27	1
28	64
29	0
30	112
31	0
32	56
33	0
34	7
35	0
36	128
37	0
38	256
39	0
40	160
41	0
42	32
43	0
44	1
45	256
46	0
47	576
48	0
49	432
50	0
51	120
52	0
53	9
54	0
55	512
56	0
57	1280
58	0
59	1120
60	0
61	400
62	0
63	50
64	0
65	1
66	1024
67	0
68	2816
69	0
70	2816
71	0
72	1232
73	0
74	220

[1, 1, 0, 2, 0, 1, 4, 0, 3, 0, 8, 0, 8, 0, 1, 16, 0, 20, 0, 5, 0, 32, 0, 48, 0, 18, 0, 1, 64, 0, 112, 0, 56, 0, 7, 0, 128, 0, 256, 0, 160, 0, 32, 0, 1, 256, 0, 576, 0, 432, 0, 120, 0, 9, 0, 512, 0, 1280, 0, 1120, 0, 400, 0, 50, 0, 1, 1024, 0, 2816, 0, 2816, 0, 1232, 0, 220]

cp's OEIS Frontend

A081265 Triangle of coefficients of the polynomials a(n, x) = 2a(n-1, x)+ x^2a(n-2,x), n >= 1, a(0, x) = 1, a(1, x) = 1.

Table of values

List of values

cp's OEIS Frontend

A081265 Triangle of coefficients of the polynomials a(n, x) = 2*a(n-1, x)+ x^2*a(n-2,x), n >= 1, a(0, x) = 1, a(1, x) = 1.

Table of values

List of values

A081265 Triangle of coefficients of the polynomials a(n, x) = 2a(n-1, x)+ x^2a(n-2,x), n >= 1, a(0, x) = 1, a(1, x) = 1.