A259823 - cp's OEIS frontend

A259823 a(0)=0, a(1)=1, a(n)=min{3 a(k) + 2^(n-k)-1, k=0..(n-1)} for n>=2.

n	a(n)
0	0
1	1
2	3
3	6
4	10
5	16
6	24
7	33
8	45
9	61
10	79
11	103
12	130
13	162
14	198
15	246
16	300
17	364
18	436
19	517
20	613
21	721
22	849
23	993
24	1155
25	1347
26	1563
27	1806
28	2062
29	2350
30	2674
31	3058
32	3490
33	3976
34	4488
35	5064
36	5712
37	6441
38	7209
39	8073
40	9045
41	10069
42	11221
43	12517
44	13975
45	15511
46	17239
47	19183

[0, 1, 3, 6, 10, 16, 24, 33, 45, 61, 79, 103, 130, 162, 198, 246, 300, 364, 436, 517, 613, 721, 849, 993, 1155, 1347, 1563, 1806, 2062, 2350, 2674, 3058, 3490, 3976, 4488, 5064, 5712, 6441, 7209, 8073, 9045, 10069, 11221, 12517, 13975, 15511, 17239, 19183]

cp's OEIS Frontend

A259823 a(0)=0, a(1)=1, a(n)=min{3 a(k) + 2^(n-k)-1, k=0..(n-1)} for n>=2.

Table of values

List of values