A295145 - cp's OEIS frontend

A295145 Solution of the complementary equation a(n) = a(n-1) + 2*a(n-2) + b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.

n	a(n)
0	1
1	2
2	7
3	15
4	34
5	70
6	146
7	295
8	597
9	1198
10	2404
11	4813
12	9635
13	19277
14	38564
15	77136
16	154283
17	308575
18	617162
19	1234334
20	2468681
21	4937373
22	9874760
23	19749532
24	39499079
25	78998171
26	157996358

[1, 2, 7, 15, 34, 70, 146, 295, 597, 1198, 2404, 4813, 9635, 19277, 38564, 77136, 154283, 308575, 617162, 1234334, 2468681, 4937373, 9874760, 19749532, 39499079, 78998171, 157996358]

cp's OEIS Frontend

A295145 Solution of the complementary equation a(n) = a(n-1) + 2*a(n-2) + b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

List of values