A193007 - cp's OEIS frontend

A193007 Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined at Comments.

n	a(n)
0	0
1	1
2	1
3	9
4	36
5	108
6	268
7	591
8	1201
9	2303
10	4232
11	7534
12	13096
13	22357
14	37649
15	62749
16	103772
17	170616
18	279300
19	455747
20	741905
21	1205651
22	1956816
23	3173114
24	5142096
25	8329033
26	13486753
27	21833361
28	35339796
29	57195108
30	92559292
31	149781399
32	242370481

[0, 1, 1, 9, 36, 108, 268, 591, 1201, 2303, 4232, 7534, 13096, 22357, 37649, 62749, 103772, 170616, 279300, 455747, 741905, 1205651, 1956816, 3173114, 5142096, 8329033, 13486753, 21833361, 35339796, 57195108, 92559292, 149781399, 242370481]

cp's OEIS Frontend

A193007 Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined at Comments.

Table of values

List of values