A192384 - cp's OEIS frontend

A192384 Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined below in Comments.

n	a(n)
1	0
2	2
3	4
4	24
5	72
6	312
7	1088
8	4288
9	15744
10	60192
11	224832
12	851072
13	3197056
14	12062592
15	45398016
16	171104256
17	644354048
18	2427699712
19	9144222720
20	34448209920
21	129761986560
22	488821962752
23	1841370087424
24	6936475090944
25	26129575084032

[0, 2, 4, 24, 72, 312, 1088, 4288, 15744, 60192, 224832, 851072, 3197056, 12062592, 45398016, 171104256, 644354048, 2427699712, 9144222720, 34448209920, 129761986560, 488821962752, 1841370087424, 6936475090944, 26129575084032]

cp's OEIS Frontend

A192384 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