A136169 - cp's OEIS frontend

A136169 a(n) = 2*a(n-1) - [(n+1)/3] for n>0 with a(0) = 1.

n	a(n)
0	1
1	2
2	3
3	5
4	9
5	16
6	30
7	58
8	113
9	223
10	443
11	882
12	1760
13	3516
14	7027
15	14049
16	28093
17	56180
18	112354
19	224702
20	449397
21	898787
22	1797567
23	3595126
24	7190244
25	14380480
26	28760951
27	57521893
28	115043777
29	230087544
30	460175078
31	920350146
32	1840700281
33	3681400551

[1, 2, 3, 5, 9, 16, 30, 58, 113, 223, 443, 882, 1760, 3516, 7027, 14049, 28093, 56180, 112354, 224702, 449397, 898787, 1797567, 3595126, 7190244, 14380480, 28760951, 57521893, 115043777, 230087544, 460175078, 920350146, 1840700281, 3681400551]

cp's OEIS Frontend

A136169 a(n) = 2*a(n-1) - [(n+1)/3] for n>0 with a(0) = 1.

Table of values

List of values