A192422 - cp's OEIS frontend

A192422 Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined below in Comments.

n	a(n)
0	0
1	1
2	1
3	5
4	7
5	20
6	35
7	83
8	161
9	355
10	720
11	1541
12	3185
13	6733
14	14027
15	29500
16	61663
17	129403
18	270865
19	567911
20	1189440
21	2492905
22	5222449
23	10943813
24	22928815
25	48044900
26	100665083
27	210927155
28	441948689
29	926020171
30	1940274000
31	4065458669
32	8518311809

[0, 1, 1, 5, 7, 20, 35, 83, 161, 355, 720, 1541, 3185, 6733, 14027, 29500, 61663, 129403, 270865, 567911, 1189440, 2492905, 5222449, 10943813, 22928815, 48044900, 100665083, 210927155, 441948689, 926020171, 1940274000, 4065458669, 8518311809]

cp's OEIS Frontend

A192422 Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined below in Comments.

Table of values

List of values