A128966 - cp's OEIS frontend

A128966 Triangle read by rows of coefficients of polynomials P[n](x) defined by P[0]=0, P[1]=x+1; for n >= 2, P[n]=(x+1)P[n-1]+xP[n-2].

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	4
9	1
10	1
11	6
12	10
13	6
14	1
15	1
16	8
17	20
18	20
19	8
20	1
21	1
22	10
23	34
24	50
25	34
26	10
27	1
28	1
29	12
30	52
31	104
32	104
33	52
34	12
35	1
36	1
37	14
38	74
39	190
40	258
41	190
42	74
43	14
44	1
45	1
46	16
47	100
48	316
49	552
50	552
51	316
52	100
53	16
54	1
55	1
56	18
57	130
58	490
59	1058
60	1362
61	1058
62	490
63	130
64	18
65	1
66	1
67	20
68	164

[0, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 6, 10, 6, 1, 1, 8, 20, 20, 8, 1, 1, 10, 34, 50, 34, 10, 1, 1, 12, 52, 104, 104, 52, 12, 1, 1, 14, 74, 190, 258, 190, 74, 14, 1, 1, 16, 100, 316, 552, 552, 316, 100, 16, 1, 1, 18, 130, 490, 1058, 1362, 1058, 490, 130, 18, 1, 1, 20, 164]

cp's OEIS Frontend

A128966 Triangle read by rows of coefficients of polynomials P[n](x) defined by P[0]=0, P[1]=x+1; for n >= 2, P[n]=(x+1)P[n-1]+xP[n-2].

Table of values

List of values

cp's OEIS Frontend

A128966 Triangle read by rows of coefficients of polynomials P[n](x) defined by P[0]=0, P[1]=x+1; for n >= 2, P[n]=(x+1)*P[n-1]+x*P[n-2].

Table of values

List of values

A128966 Triangle read by rows of coefficients of polynomials P[n](x) defined by P[0]=0, P[1]=x+1; for n >= 2, P[n]=(x+1)P[n-1]+xP[n-2].