A192352 - cp's OEIS frontend

A192352 Constant term of the reduction of the polynomial p(n,x)=(1/2)((x+1)^n+(x-1)^n) by x^2->x+1.

n	a(n)
1	1
2	0
3	2
4	1
5	9
6	13
7	51
8	106
9	322
10	771
11	2135
12	5401
13	14445
14	37324
15	98514
16	256621
17	673933
18	1760997
19	4615823
20	12075526
21	31628466
22	82781215
23	216761547
24	567428401
25	1485645049
26	3889310328
27	10182603746
28	26657986681
29	69792188337
30	182717232061

[1, 0, 2, 1, 9, 13, 51, 106, 322, 771, 2135, 5401, 14445, 37324, 98514, 256621, 673933, 1760997, 4615823, 12075526, 31628466, 82781215, 216761547, 567428401, 1485645049, 3889310328, 10182603746, 26657986681, 69792188337, 182717232061]

cp's OEIS Frontend

A192352 Constant term of the reduction of the polynomial p(n,x)=(1/2)((x+1)^n+(x-1)^n) by x^2->x+1.

Table of values

List of values