A071954 - cp's OEIS frontend

A071954 a(n) = 4*a(n-1) - a(n-2) - 4, with a(0) = 2, a(1) = 4.

n	a(n)
0	2
1	4
2	10
3	32
4	114
5	420
6	1562
7	5824
8	21730
9	81092
10	302634
11	1129440
12	4215122
13	15731044
14	58709050
15	219105152
16	817711554
17	3051741060
18	11389252682
19	42505269664
20	158631825970
21	592022034212
22	2209456310874
23	8245803209280
24	30773756526242
25	114849222895684

[2, 4, 10, 32, 114, 420, 1562, 5824, 21730, 81092, 302634, 1129440, 4215122, 15731044, 58709050, 219105152, 817711554, 3051741060, 11389252682, 42505269664, 158631825970, 592022034212, 2209456310874, 8245803209280, 30773756526242, 114849222895684]

cp's OEIS Frontend

A071954 a(n) = 4*a(n-1) - a(n-2) - 4, with a(0) = 2, a(1) = 4.

Table of values

List of values