A290604 - cp's OEIS frontend

A290604 a(0) = 2, a(1) = 2; for n > 1, a(n) = a(n-1) + 2*a(n-2) + 3.

n	a(n)
0	2
1	2
2	9
3	16
4	37
5	72
6	149
7	296
8	597
9	1192
10	2389
11	4776
12	9557
13	19112
14	38229
15	76456
16	152917
17	305832
18	611669
19	1223336
20	2446677
21	4893352
22	9786709
23	19573416
24	39146837
25	78293672
26	156587349
27	313174696
28	626349397
29	1252698792
30	2505397589
31	5010795176
32	10021590357

[2, 2, 9, 16, 37, 72, 149, 296, 597, 1192, 2389, 4776, 9557, 19112, 38229, 76456, 152917, 305832, 611669, 1223336, 2446677, 4893352, 9786709, 19573416, 39146837, 78293672, 156587349, 313174696, 626349397, 1252698792, 2505397589, 5010795176, 10021590357]

cp's OEIS Frontend

A290604 a(0) = 2, a(1) = 2; for n > 1, a(n) = a(n-1) + 2*a(n-2) + 3.

Table of values

List of values