A367408 - cp's OEIS frontend

A367408 a(n) = n for n a power of 2; otherwise let 2^r be the greatest power of 2 which does not exceed n, then a(n) = the least novel m*a(k) where k = n - 2^r, and m is not a prior term.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	12
7	18
8	8
9	6
10	14
11	21
12	28
13	35
14	84
15	126
16	16
17	7
18	20
19	27
20	36
21	45
22	108
23	162
24	72
25	54
26	140
27	189
28	252
29	315
30	756
31	1134
32	32
33	9
34	22
35	30
36	40
37	50
38	120
39	180
40	80
41	60
42	154
43	210
44	280
45	350
46	840
47	1260
48	160
49	70
50	200
51	270
52	360
53	450
54	1080
55	1620
56	720
57	540
58	1400
59	1890
60	2520
61	3150
62	7560
63	11340
64	64
65	10

[1, 2, 3, 4, 5, 12, 18, 8, 6, 14, 21, 28, 35, 84, 126, 16, 7, 20, 27, 36, 45, 108, 162, 72, 54, 140, 189, 252, 315, 756, 1134, 32, 9, 22, 30, 40, 50, 120, 180, 80, 60, 154, 210, 280, 350, 840, 1260, 160, 70, 200, 270, 360, 450, 1080, 1620, 720, 540, 1400, 1890, 2520, 3150, 7560, 11340, 64, 10]

cp's OEIS Frontend

A367408 a(n) = n for n a power of 2; otherwise let 2^r be the greatest power of 2 which does not exceed n, then a(n) = the least novel m*a(k) where k = n - 2^r, and m is not a prior term.

Table of values

List of values