A256858 - cp's OEIS frontend

A256858 a(n) = (-a(n-1) * a(n-6) + a(n-2) * a(n-5)) / a(n-7) with a(n) = 1 if abs(n) < 4, a(11) = 4.

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	-1
7	2
8	-3
9	3
10	-3
11	4
12	-2
13	8
14	9
15	17
16	29
17	50
18	83
19	107
20	56
21	239
22	-243
23	1103
24	-2351
25	3775
26	-7227
27	14463
28	-18648
29	55283
30	54011
31	256666
32	698301
33	2059753
34	5324929
35	9820288
36	15128062
37	55075036
38	-28437275
39	503857819
40	-1438167267
41	4083736906

[1, 1, 1, 1, 0, 1, -1, 2, -3, 3, -3, 4, -2, 8, 9, 17, 29, 50, 83, 107, 56, 239, -243, 1103, -2351, 3775, -7227, 14463, -18648, 55283, 54011, 256666, 698301, 2059753, 5324929, 9820288, 15128062, 55075036, -28437275, 503857819, -1438167267, 4083736906]

cp's OEIS Frontend

A256858 a(n) = (-a(n-1) * a(n-6) + a(n-2) * a(n-5)) / a(n-7) with a(n) = 1 if abs(n) < 4, a(11) = 4.

Table of values

List of values