A385561 - cp's OEIS frontend

A385561 Numbers m such that (1/m) * Sum_{k=1..m} phi(k)/k is closer to 6/Pi^2 than it is for any number smaller than m, where phi is the Euler totient function (A000010).

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	10
7	12
8	16
9	22
10	28
11	36
12	66
13	96
14	100
15	126
16	156
17	190
18	330
19	430
20	540
21	820
22	876
23	1086
24	1422
25	10596
26	10836
27	18096
28	35796
29	55786
30	69336
31	111100
32	168666
33	284650
34	905950
35	1482300
36	1745590
37	2405560
38	2661310
39	4023306
40	5869956
41	17454580
42	25670646
43	51305346
44	79969618
45	211025650
46	622626790

[1, 2, 3, 4, 6, 10, 12, 16, 22, 28, 36, 66, 96, 100, 126, 156, 190, 330, 430, 540, 820, 876, 1086, 1422, 10596, 10836, 18096, 35796, 55786, 69336, 111100, 168666, 284650, 905950, 1482300, 1745590, 2405560, 2661310, 4023306, 5869956, 17454580, 25670646, 51305346, 79969618, 211025650, 622626790]

cp's OEIS Frontend

A385561 Numbers m such that (1/m) * Sum_{k=1..m} phi(k)/k is closer to 6/Pi^2 than it is for any number smaller than m, where phi is the Euler totient function (A000010).

Table of values

List of values