A298417 - cp's OEIS frontend

A298417 a(n) = 2a(n-1) + 2a(n-2) + a([n/2]), where a(0) = 1, a(1) = 1, a(2) = 1.

n	a(n)
0	1
1	1
2	1
3	5
4	13
5	37
6	105
7	289
8	801
9	2193
10	6025
11	16473
12	45101
13	123253
14	336997
15	920789
16	2516373
17	6875125
18	18785189
19	51322821
20	140222045
21	383095757
22	1046652077
23	2859512141
24	7812373537
25	21343816457
26	58312503241
27	159312762649
28	435250868777
29	1189127599849

[1, 1, 1, 5, 13, 37, 105, 289, 801, 2193, 6025, 16473, 45101, 123253, 336997, 920789, 2516373, 6875125, 18785189, 51322821, 140222045, 383095757, 1046652077, 2859512141, 7812373537, 21343816457, 58312503241, 159312762649, 435250868777, 1189127599849]

cp's OEIS Frontend

A298417 a(n) = 2a(n-1) + 2a(n-2) + a([n/2]), where a(0) = 1, a(1) = 1, a(2) = 1.

Table of values

List of values

cp's OEIS Frontend

A298417 a(n) = 2*a(n-1) + 2*a(n-2) + a([n/2]), where a(0) = 1, a(1) = 1, a(2) = 1.

Table of values

List of values

A298417 a(n) = 2a(n-1) + 2a(n-2) + a([n/2]), where a(0) = 1, a(1) = 1, a(2) = 1.