A088659 - cp's OEIS frontend

A088659 a(n) = n*(p-1) where p is the largest prime factor of n.

n	a(n)
2	2
3	6
4	4
5	20
6	12
7	42
8	8
9	18
10	40
11	110
12	24
13	156
14	84
15	60
16	16
17	272
18	36
19	342
20	80
21	126
22	220
23	506
24	48
25	100
26	312
27	54
28	168
29	812
30	120
31	930
32	32
33	330
34	544
35	210
36	72
37	1332
38	684
39	468
40	160
41	1640
42	252
43	1806
44	440
45	180
46	1012
47	2162
48	96
49	294
50	200
51	816
52	624
53	2756
54	108
55	550
56	336
57	1026

[2, 6, 4, 20, 12, 42, 8, 18, 40, 110, 24, 156, 84, 60, 16, 272, 36, 342, 80, 126, 220, 506, 48, 100, 312, 54, 168, 812, 120, 930, 32, 330, 544, 210, 72, 1332, 684, 468, 160, 1640, 252, 1806, 440, 180, 1012, 2162, 96, 294, 200, 816, 624, 2756, 108, 550, 336, 1026]

cp's OEIS Frontend

A088659 a(n) = n*(p-1) where p is the largest prime factor of n.

Table of values

List of values