A121663 - cp's OEIS frontend

A121663 a(0) = 1; if n = 2^k, a(n) = k+2, otherwise a(n)=(A000523(n)+2)*a(A053645(n)).

n	a(n)
0	1
1	2
2	3
3	6
4	4
5	8
6	12
7	24
8	5
9	10
10	15
11	30
12	20
13	40
14	60
15	120
16	6
17	12
18	18
19	36
20	24
21	48
22	72
23	144
24	30
25	60
26	90
27	180
28	120
29	240
30	360
31	720
32	7
33	14
34	21
35	42
36	28
37	56
38	84
39	168
40	35
41	70
42	105
43	210
44	140
45	280
46	420
47	840
48	42
49	84
50	126
51	252
52	168
53	336
54	504
55	1008
56	210
57	420
58	630
59	1260
60	840
61	1680

[1, 2, 3, 6, 4, 8, 12, 24, 5, 10, 15, 30, 20, 40, 60, 120, 6, 12, 18, 36, 24, 48, 72, 144, 30, 60, 90, 180, 120, 240, 360, 720, 7, 14, 21, 42, 28, 56, 84, 168, 35, 70, 105, 210, 140, 280, 420, 840, 42, 84, 126, 252, 168, 336, 504, 1008, 210, 420, 630, 1260, 840, 1680]

cp's OEIS Frontend

A121663 a(0) = 1; if n = 2^k, a(n) = k+2, otherwise a(n)=(A000523(n)+2)*a(A053645(n)).

Table of values

List of values