A295146 - cp's OEIS frontend

A295146 Solution of the complementary equation a(n) = a(n-1) + 2*a(n-2) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.

n	a(n)
0	1
1	3
2	7
3	17
4	36
5	76
6	156
7	317
8	639
9	1284
10	2574
11	5155
12	10317
13	20642
14	41292
15	82594
16	165197
17	330405
18	660820
19	1321652
20	2643315
21	5286643
22	10573298
23	21146610
24	42293233
25	84586481
26	169172976

[1, 3, 7, 17, 36, 76, 156, 317, 639, 1284, 2574, 5155, 10317, 20642, 41292, 82594, 165197, 330405, 660820, 1321652, 2643315, 5286643, 10573298, 21146610, 42293233, 84586481, 169172976]

cp's OEIS Frontend

A295146 Solution of the complementary equation a(n) = a(n-1) + 2*a(n-2) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

List of values