A050065 - cp's OEIS frontend

A050065 a(n) = a(n-1) + a(m) for n >= 4, 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) = a(3) = 3.

n	a(n)
1	1
2	3
3	3
4	6
5	7
6	13
7	16
8	19
9	20
10	39
11	55
12	68
13	75
14	81
15	84
16	87
17	88
18	175
19	259
20	340
21	415
22	483
23	538
24	577
25	597
26	616
27	632
28	645
29	652
30	658
31	661
32	664
33	665
34	1329
35	1990
36	2648
37	3300
38	3945
39	4577
40	5193
41	5790
42	6367
43	6905
44	7388
45	7803
46	8143
47	8402
48	8577

[1, 3, 3, 6, 7, 13, 16, 19, 20, 39, 55, 68, 75, 81, 84, 87, 88, 175, 259, 340, 415, 483, 538, 577, 597, 616, 632, 645, 652, 658, 661, 664, 665, 1329, 1990, 2648, 3300, 3945, 4577, 5193, 5790, 6367, 6905, 7388, 7803, 8143, 8402, 8577]

cp's OEIS Frontend

A050065 a(n) = a(n-1) + a(m) for n >= 4, 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) = a(3) = 3.

Table of values

List of values