A348405 - cp's OEIS frontend

A348405 a(0) = 1, a(n) + a(n+1) = round(2^n/9), n >= 0.

n	a(n)
0	1
1	-1
2	1
3	-1
4	2
5	0
6	4
7	3
8	11
9	17
10	40
11	74
12	154
13	301
14	609
15	1211
16	2430
17	4852
18	9712
19	19415
20	38839
21	77669
22	155348
23	310686
24	621382
25	1242753
26	2485517
27	4971023
28	9942058
29	19884104
30	39768220
31	79536427
32	159072867
33	318145721
34	636291456
35	1272582898
36	2545165810

[1, -1, 1, -1, 2, 0, 4, 3, 11, 17, 40, 74, 154, 301, 609, 1211, 2430, 4852, 9712, 19415, 38839, 77669, 155348, 310686, 621382, 1242753, 2485517, 4971023, 9942058, 19884104, 39768220, 79536427, 159072867, 318145721, 636291456, 1272582898, 2545165810]

cp's OEIS Frontend

A348405 a(0) = 1, a(n) + a(n+1) = round(2^n/9), n >= 0.

Table of values

List of values