A385562 - cp's OEIS frontend

A385562 Numbers m such that (1/m) * Sum_{k=1..m} k/phi(k) sets a record value, where phi is the Euler totient function (A000010).

n	a(n)
1	1
2	2
3	4
4	6
5	12
6	18
7	22
8	24
9	30
10	42
11	60
12	66
13	72
14	78
15	84
16	90
17	114
18	120
19	150
20	156
21	180
22	198
23	210
24	300
25	330
26	390
27	420
28	510
29	546
30	570
31	600
32	630
33	750
34	780
35	840
36	966
37	990
38	1122
39	1170
40	1200
41	1260
42	1410
43	1470
44	1560
45	1596
46	1620
47	1650
48	1680
49	1806
50	1830
51	1890
52	1980
53	2100

[1, 2, 4, 6, 12, 18, 22, 24, 30, 42, 60, 66, 72, 78, 84, 90, 114, 120, 150, 156, 180, 198, 210, 300, 330, 390, 420, 510, 546, 570, 600, 630, 750, 780, 840, 966, 990, 1122, 1170, 1200, 1260, 1410, 1470, 1560, 1596, 1620, 1650, 1680, 1806, 1830, 1890, 1980, 2100]

cp's OEIS Frontend

A385562 Numbers m such that (1/m) * Sum_{k=1..m} k/phi(k) sets a record value, where phi is the Euler totient function (A000010).

Table of values

List of values