A368149 - cp's OEIS frontend

A368149 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 2x, p(n,x) = up(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - x^2.

n	a(n)
1	1
2	1
3	2
4	2
5	4
6	3
7	3
8	10
9	10
10	4
11	5
12	20
13	31
14	20
15	5
16	8
17	40
18	78
19	76
20	35
21	6
22	13
23	76
24	184
25	232
26	161
27	56
28	7
29	21
30	142
31	406
32	636
33	582
34	308
35	84
36	8
37	34
38	260
39	861
40	1604
41	1831
42	1296
43	546
44	120
45	9
46	55
47	470
48	1766
49	3820
50	5215
51	4630
52	2640
53	912
54	165
55	10
56	89
57	840
58	3533
59	8696

[1, 1, 2, 2, 4, 3, 3, 10, 10, 4, 5, 20, 31, 20, 5, 8, 40, 78, 76, 35, 6, 13, 76, 184, 232, 161, 56, 7, 21, 142, 406, 636, 582, 308, 84, 8, 34, 260, 861, 1604, 1831, 1296, 546, 120, 9, 55, 470, 1766, 3820, 5215, 4630, 2640, 912, 165, 10, 89, 840, 3533, 8696]

cp's OEIS Frontend

A368149 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 2x, p(n,x) = up(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - x^2.

Table of values

List of values

cp's OEIS Frontend

A368149 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 2*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - x^2.

Table of values

List of values

A368149 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 2x, p(n,x) = up(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - x^2.