A166578 - cp's OEIS frontend

A166578 a(n) = a(n-3) + 2^(n-4) with a(1) = 1, a(2) = 2, a(3) = 1.

n	a(n)
0	1
1	2
2	1
3	2
4	4
5	5
6	10
7	20
8	37
9	74
10	148
11	293
12	586
13	1172
14	2341
15	4682
16	9364
17	18725
18	37450
19	74900
20	149797
21	299594
22	599188
23	1198373
24	2396746
25	4793492
26	9586981
27	19173962
28	38347924
29	76695845
30	153391690
31	306783380
32	613566757
33	1227133514
34	2454267028

[1, 2, 1, 2, 4, 5, 10, 20, 37, 74, 148, 293, 586, 1172, 2341, 4682, 9364, 18725, 37450, 74900, 149797, 299594, 599188, 1198373, 2396746, 4793492, 9586981, 19173962, 38347924, 76695845, 153391690, 306783380, 613566757, 1227133514, 2454267028]

cp's OEIS Frontend

A166578 a(n) = a(n-3) + 2^(n-4) with a(1) = 1, a(2) = 2, a(3) = 1.

Table of values

List of values