A192459 - cp's OEIS frontend

A192459 Coefficient of x in the reduction by x^2->x+2 of the polynomial p(n,x) defined below in Comments.

n	a(n)
0	1
1	3
2	17
3	133
4	1315
5	15675
6	218505
7	3485685
8	62607195
9	1250116875
10	27468111825
11	658579954725
12	17109329512275
13	478744992200475
14	14354443912433625
15	459128747151199125
16	15604187119787140875
17	561558837528374560875
18	21332903166207470462625

[1, 3, 17, 133, 1315, 15675, 218505, 3485685, 62607195, 1250116875, 27468111825, 658579954725, 17109329512275, 478744992200475, 14354443912433625, 459128747151199125, 15604187119787140875, 561558837528374560875, 21332903166207470462625]

cp's OEIS Frontend

A192459 Coefficient of x in the reduction by x^2->x+2 of the polynomial p(n,x) defined below in Comments.

Table of values

List of values