A192873 - cp's OEIS frontend

A192873 Coefficient of x in the reduction by (x^2->x+1) of the polynomial p(n,x) given in Comments.

n	a(n)
0	0
1	1
2	2
3	7
4	18
5	49
6	128
7	337
8	882
9	2311
10	6050
11	15841
12	41472
13	108577
14	284258
15	744199
16	1948338
17	5100817
18	13354112
19	34961521
20	91530450
21	239629831
22	627359042
23	1642447297
24	4299982848
25	11257501249
26	29472520898
27	77160061447
28	202007663442
29	528862928881
30	1384581123200

[0, 1, 2, 7, 18, 49, 128, 337, 882, 2311, 6050, 15841, 41472, 108577, 284258, 744199, 1948338, 5100817, 13354112, 34961521, 91530450, 239629831, 627359042, 1642447297, 4299982848, 11257501249, 29472520898, 77160061447, 202007663442, 528862928881, 1384581123200]

cp's OEIS Frontend

A192873 Coefficient of x in the reduction by (x^2->x+1) of the polynomial p(n,x) given in Comments.

Table of values

List of values