A070818 - cp's OEIS frontend

A070818 Smallest argument m such that commutator[phi(m), gpf(m)] = 2n-1, where phi(m) = A000010(m) and gpf(m) = A006530(m), the largest prime factor of m.

n	a(n)
1	45
2	7
3	11
4	143
5	13
6	23
7	119
8	19
9	667
10	713
11	29
12	47
13	31
14	6929
15	59
16	407
17	37
18	41
19	2867
20	53
21	83
22	3149
23	164561
24	3233
25	1403
26	25631
27	107
28	61
29	3763
30	1633
31	1679
32	71
33	79
34	803
35	73
36	5959
37	4559
38	4717
39	89
40	4841
41	36461
42	167
43	103
44	5353
45	179
46	1067
47	97
48	101
49	2507
50	5989

[45, 7, 11, 143, 13, 23, 119, 19, 667, 713, 29, 47, 31, 6929, 59, 407, 37, 41, 2867, 53, 83, 3149, 164561, 3233, 1403, 25631, 107, 61, 3763, 1633, 1679, 71, 79, 803, 73, 5959, 4559, 4717, 89, 4841, 36461, 167, 103, 5353, 179, 1067, 97, 101, 2507, 5989]

cp's OEIS Frontend

A070818 Smallest argument m such that commutator[phi(m), gpf(m)] = 2n-1, where phi(m) = A000010(m) and gpf(m) = A006530(m), the largest prime factor of m.

Table of values

List of values