A368152 - cp's OEIS frontend

A368152 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3x, p(n,x) = up(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 3 - x^2.

n	a(n)
1	1
2	1
3	3
4	4
5	6
6	8
7	7
8	27
9	25
10	21
11	19
12	66
13	126
14	90
15	55
16	40
17	204
18	392
19	504
20	300
21	144
22	97
23	522
24	1363
25	1884
26	1851
27	954
28	377
29	217
30	1425
31	4065
32	7281
33	8011
34	6435
35	2939
36	987
37	508
38	3642
39	12332
40	24606
41	34044
42	31446
43	21524
44	8850
45	2584
46	1159
47	9441
48	35236
49	82020
50	127830

[1, 1, 3, 4, 6, 8, 7, 27, 25, 21, 19, 66, 126, 90, 55, 40, 204, 392, 504, 300, 144, 97, 522, 1363, 1884, 1851, 954, 377, 217, 1425, 4065, 7281, 8011, 6435, 2939, 987, 508, 3642, 12332, 24606, 34044, 31446, 21524, 8850, 2584, 1159, 9441, 35236, 82020, 127830]

cp's OEIS Frontend

A368152 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3x, p(n,x) = up(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 3 - x^2.

Table of values

List of values

cp's OEIS Frontend

A368152 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3*x, p(n,x) = u*p(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 3 - x^2.

Table of values

List of values

A368152 Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3x, p(n,x) = up(n-1,x) + v*p(n-2,x) for n >= 3, where u = p(2,x), v = 3 - x^2.