A348695 - cp's OEIS frontend

A348695 a(n) is the least number k such that the denominator of the harmonic mean of the divisors of k is equal to n, or -1 if no such k exists.

n	a(n)
1	1
2	3
3	2
4	7
5	24
6	11
7	4
8	21
9	10
10	19
11	258
12	23
13	9
14	39
15	8
16	31
17	402
18	55
19	37
20	57
21	26
22	43
23	3836
24	47
25	216
26	99
27	34
28	124
29	4844
30	59
31	16
32	93
33	86
34	67
35	76
36	71
37	73
38	111
39	125
40	79
41	978
42	83
43	7196
44	129
45	58
46	411
47	7868
48	155
49	52
50	447
51	101
52	63
53	1266
54	107
55	109
56	372
57	74
58	519
59	9884
60	203

[1, 3, 2, 7, 24, 11, 4, 21, 10, 19, 258, 23, 9, 39, 8, 31, 402, 55, 37, 57, 26, 43, 3836, 47, 216, 99, 34, 124, 4844, 59, 16, 93, 86, 67, 76, 71, 73, 111, 125, 79, 978, 83, 7196, 129, 58, 411, 7868, 155, 52, 447, 101, 63, 1266, 107, 109, 372, 74, 519, 9884, 203]

cp's OEIS Frontend

A348695 a(n) is the least number k such that the denominator of the harmonic mean of the divisors of k is equal to n, or -1 if no such k exists.

Table of values

List of values