A266506 - cp's OEIS frontend

A266506 a(n) = 2*a(n-4) + a(n-8) for n >= 8.

n	a(n)
0	2
1	-1
2	2
3	1
4	1
5	3
6	3
7	5
8	4
9	5
10	8
11	11
12	9
13	13
14	19
15	27
16	22
17	31
18	46
19	65
20	53
21	75
22	111
23	157
24	128
25	181
26	268
27	379
28	309
29	437
30	647
31	915
32	746
33	1055
34	1562
35	2209
36	1801
37	2547
38	3771
39	5333
40	4348
41	6149
42	9104
43	12875
44	10497
45	14845
46	21979
47	31083
48	25342
49	35839
50	53062
51	75041
52	61181
53	86523

[2, -1, 2, 1, 1, 3, 3, 5, 4, 5, 8, 11, 9, 13, 19, 27, 22, 31, 46, 65, 53, 75, 111, 157, 128, 181, 268, 379, 309, 437, 647, 915, 746, 1055, 1562, 2209, 1801, 2547, 3771, 5333, 4348, 6149, 9104, 12875, 10497, 14845, 21979, 31083, 25342, 35839, 53062, 75041, 61181, 86523]

cp's OEIS Frontend

A266506 a(n) = 2*a(n-4) + a(n-8) for n >= 8.

Table of values

List of values