A192356 - cp's OEIS frontend

A192356 Coefficients of x in the reduction of the polynomial p(n,x) = ((x+2)^n + (x-2)^n)/2 by x^2->x+2.

n	a(n)
1	0
2	1
3	1
4	15
5	29
6	211
7	561
8	3095
9	9829
10	46971
11	164921
12	728575
13	2707629
14	11450531
15	43942081
16	181348455
17	708653429
18	2884834891
19	11388676041
20	46006694735
21	182670807229
22	734751144051
23	2926800830801
24	11743814559415
25	46865424529029
26	187791199242011
27	750176293590361

[0, 1, 1, 15, 29, 211, 561, 3095, 9829, 46971, 164921, 728575, 2707629, 11450531, 43942081, 181348455, 708653429, 2884834891, 11388676041, 46006694735, 182670807229, 734751144051, 2926800830801, 11743814559415, 46865424529029, 187791199242011, 750176293590361]

cp's OEIS Frontend

A192356 Coefficients of x in the reduction of the polynomial p(n,x) = ((x+2)^n + (x-2)^n)/2 by x^2->x+2.

Table of values

List of values