A248429 - cp's OEIS frontend

A248429 Number of length n+2 0..4 arrays with every three consecutive terms having the sum of some two elements equal to twice the third.

n	a(n)
1	29
2	45
3	69
4	101
5	165
6	261
7	389
8	645
9	1029
10	1541
11	2565
12	4101
13	6149
14	10245
15	16389
16	24581
17	40965
18	65541
19	98309
20	163845
21	262149
22	393221
23	655365
24	1048581
25	1572869
26	2621445
27	4194309
28	6291461
29	10485765
30	16777221
31	25165829
32	41943045
33	67108869
34	100663301

[29, 45, 69, 101, 165, 261, 389, 645, 1029, 1541, 2565, 4101, 6149, 10245, 16389, 24581, 40965, 65541, 98309, 163845, 262149, 393221, 655365, 1048581, 1572869, 2621445, 4194309, 6291461, 10485765, 16777221, 25165829, 41943045, 67108869, 100663301]

cp's OEIS Frontend

A248429 Number of length n+2 0..4 arrays with every three consecutive terms having the sum of some two elements equal to twice the third.

Table of values

List of values