A050037 - cp's OEIS frontend

A050037 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) = a(2) = 1 and a(3) = 4.

n	a(n)
1	1
2	1
3	4
4	5
5	6
6	11
7	15
8	16
9	17
10	33
11	48
12	59
13	65
14	70
15	74
16	75
17	76
18	151
19	225
20	295
21	360
22	419
23	467
24	500
25	517
26	533
27	548
28	559
29	565
30	570
31	574
32	575
33	576
34	1151
35	1725
36	2295
37	2860
38	3419
39	3967
40	4500
41	5017
42	5517
43	5984
44	6403
45	6763
46	7058
47	7283
48	7434

[1, 1, 4, 5, 6, 11, 15, 16, 17, 33, 48, 59, 65, 70, 74, 75, 76, 151, 225, 295, 360, 419, 467, 500, 517, 533, 548, 559, 565, 570, 574, 575, 576, 1151, 1725, 2295, 2860, 3419, 3967, 4500, 5017, 5517, 5984, 6403, 6763, 7058, 7283, 7434]

cp's OEIS Frontend

A050037 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) = a(2) = 1 and a(3) = 4.

Table of values

List of values