A192802 - cp's OEIS frontend

A192802 Coefficient of x in the reduction of the polynomial (x+2)^n by x^3->x^2+x+1.

n	a(n)
0	0
1	1
2	4
3	13
4	42
5	143
6	514
7	1915
8	7268
9	27805
10	106680
11	409633
12	1573086
13	6040587
14	23193782
15	89051615
16	341901032
17	1312664601
18	5039704492
19	19348873781
20	74285859698
21	285204660583
22	1094982340202
23	4203950929347
24	16140172668812

[0, 1, 4, 13, 42, 143, 514, 1915, 7268, 27805, 106680, 409633, 1573086, 6040587, 23193782, 89051615, 341901032, 1312664601, 5039704492, 19348873781, 74285859698, 285204660583, 1094982340202, 4203950929347, 16140172668812]

cp's OEIS Frontend

A192802 Coefficient of x in the reduction of the polynomial (x+2)^n by x^3->x^2+x+1.

Table of values

List of values