A192357 - cp's OEIS frontend

A192357 Constant term of the reduction of the polynomial p(n,x)=(1/2)((x+3)^n+(x-3)^n) by x^2->x+1.

n	a(n)
1	1
2	0
3	10
4	1
5	137
6	93
7	2219
8	3410
9	39586
10	94467
11	750823
12	2317249
13	14833565
14	53482716
15	301162922
16	1194377453
17	6225350029
18	26179063845
19	130188268471
20	567580989502
21	2742763551458
22	12225952022559
23	58052436966875
24	262325736910601

[1, 0, 10, 1, 137, 93, 2219, 3410, 39586, 94467, 750823, 2317249, 14833565, 53482716, 301162922, 1194377453, 6225350029, 26179063845, 130188268471, 567580989502, 2742763551458, 12225952022559, 58052436966875, 262325736910601]

cp's OEIS Frontend

A192357 Constant term of the reduction of the polynomial p(n,x)=(1/2)((x+3)^n+(x-3)^n) by x^2->x+1.

Table of values

List of values