A147605 - cp's OEIS frontend

A147605 Expansion of g.f.: 1/((1 - x^2 - x^3 - x^4 - x^5 - x^6 - x^7)*(1 + x + x^2 + x^3 + x^4 + x^5 - x^7)).

n	a(n)
0	1
1	-1
2	1
3	0
4	1
5	1
6	3
7	3
8	3
9	10
10	11
11	21
12	32
13	52
14	77
15	128
16	206
17	320
18	517
19	817
20	1297
21	2060
22	3290
23	5220
24	8298
25	13205
26	20980
27	33360
28	53056
29	84366
30	134114
31	213263
32	339086
33	539123
34	857240
35	1363034
36	2167197
37	3445840
38	5478951
39	8711511
40	13851359

[1, -1, 1, 0, 1, 1, 3, 3, 3, 10, 11, 21, 32, 52, 77, 128, 206, 320, 517, 817, 1297, 2060, 3290, 5220, 8298, 13205, 20980, 33360, 53056, 84366, 134114, 213263, 339086, 539123, 857240, 1363034, 2167197, 3445840, 5478951, 8711511, 13851359]

cp's OEIS Frontend

A147605 Expansion of g.f.: 1/((1 - x^2 - x^3 - x^4 - x^5 - x^6 - x^7)*(1 + x + x^2 + x^3 + x^4 + x^5 - x^7)).

Table of values

List of values