A192872 - cp's OEIS frontend

A192872 Constant term in the reduction by (x^2 -> x+1) of the polynomial p(n,x) given in Comments.

n	a(n)
0	1
1	0
2	3
3	4
4	13
5	30
6	81
7	208
8	547
9	1428
10	3741
11	9790
12	25633
13	67104
14	175683
15	459940
16	1204141
17	3152478
18	8253297
19	21607408
20	56568931
21	148099380
22	387729213
23	1015088254
24	2657535553
25	6957518400

[1, 0, 3, 4, 13, 30, 81, 208, 547, 1428, 3741, 9790, 25633, 67104, 175683, 459940, 1204141, 3152478, 8253297, 21607408, 56568931, 148099380, 387729213, 1015088254, 2657535553, 6957518400]

cp's OEIS Frontend

A192872 Constant term in the reduction by (x^2 -> x+1) of the polynomial p(n,x) given in Comments.

Table of values

List of values