A295063 - cp's OEIS frontend

A295063 Solution of the complementary equation a(n) = 4*a(n-2) + b(n-1) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.

n	a(n)
0	1
1	3
2	10
3	21
4	51
5	97
6	219
7	405
8	896
9	1643
10	3609
11	6599
12	14465
13	26427
14	57893
15	105743
16	231609
17	423011
18	926478
19	1692089
20	3705959
21	6768405
22	14823887
23	27073673
24	59295603
25	108294749
26	237182471

[1, 3, 10, 21, 51, 97, 219, 405, 896, 1643, 3609, 6599, 14465, 26427, 57893, 105743, 231609, 423011, 926478, 1692089, 3705959, 6768405, 14823887, 27073673, 59295603, 108294749, 237182471]

cp's OEIS Frontend

A295063 Solution of the complementary equation a(n) = 4*a(n-2) + b(n-1) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.

Table of values

List of values