A102446 - cp's OEIS frontend

A102446 a(n) = a(n-1) + 4*a(n-2) for n>1, a(0) = a(1) = 2.

n	a(n)
0	2
1	2
2	10
3	18
4	58
5	130
6	362
7	882
8	2330
9	5858
10	15178
11	38610
12	99322
13	253762
14	651050
15	1666098
16	4270298
17	10934690
18	28015882
19	71754642
20	183818170
21	470836738
22	1206109418
23	3089456370
24	7913894042
25	20271719522
26	51927295690
27	133014173778
28	340723356538
29	872780051650

[2, 2, 10, 18, 58, 130, 362, 882, 2330, 5858, 15178, 38610, 99322, 253762, 651050, 1666098, 4270298, 10934690, 28015882, 71754642, 183818170, 470836738, 1206109418, 3089456370, 7913894042, 20271719522, 51927295690, 133014173778, 340723356538, 872780051650]

cp's OEIS Frontend

A102446 a(n) = a(n-1) + 4*a(n-2) for n>1, a(0) = a(1) = 2.

Table of values

List of values