A050069 - cp's OEIS frontend

A050069 a(n) = a(n-1) + a(m) for n >= 3, where m = 2^(p+1) + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1 and a(2) = 3.

n	a(n)
1	1
2	3
3	4
4	7
5	8
6	15
7	19
8	22
9	23
10	45
11	64
12	79
13	87
14	94
15	98
16	101
17	102
18	203
19	301
20	395
21	482
22	561
23	625
24	670
25	693
26	715
27	734
28	749
29	757
30	764
31	768
32	771
33	772
34	1543
35	2311
36	3075
37	3832
38	4581
39	5315
40	6030
41	6723
42	7393
43	8018
44	8579
45	9061
46	9456
47	9757

[1, 3, 4, 7, 8, 15, 19, 22, 23, 45, 64, 79, 87, 94, 98, 101, 102, 203, 301, 395, 482, 561, 625, 670, 693, 715, 734, 749, 757, 764, 768, 771, 772, 1543, 2311, 3075, 3832, 4581, 5315, 6030, 6723, 7393, 8018, 8579, 9061, 9456, 9757]

cp's OEIS Frontend

A050069 a(n) = a(n-1) + a(m) for n >= 3, where m = 2^(p+1) + 2 - n and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1 and a(2) = 3.

Table of values

List of values