A266504 - cp's OEIS frontend

A266504 a(n) = 2*a(n - 2) + a(n - 4) with a(0) = a(1) = 2, a(2) = 1, a(3) = 3.

n	a(n)
0	2
1	2
2	1
3	3
4	4
5	8
6	9
7	19
8	22
9	46
10	53
11	111
12	128
13	268
14	309
15	647
16	746
17	1562
18	1801
19	3771
20	4348
21	9104
22	10497
23	21979
24	25342
25	53062
26	61181
27	128103
28	147704
29	309268
30	356589
31	746639
32	860882
33	1802546
34	2078353
35	4351731
36	5017588
37	10506008
38	12113529
39	25363747
40	29244646
41	61233502

[2, 2, 1, 3, 4, 8, 9, 19, 22, 46, 53, 111, 128, 268, 309, 647, 746, 1562, 1801, 3771, 4348, 9104, 10497, 21979, 25342, 53062, 61181, 128103, 147704, 309268, 356589, 746639, 860882, 1802546, 2078353, 4351731, 5017588, 10506008, 12113529, 25363747, 29244646, 61233502]

cp's OEIS Frontend

A266504 a(n) = 2*a(n - 2) + a(n - 4) with a(0) = a(1) = 2, a(2) = 1, a(3) = 3.

Table of values

List of values