cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A348658 Numbers whose numerator and denominator of the harmonic mean of their divisors are both Fibonacci numbers.

Table of values

n a(n)
1 1
2 3
3 5
4 6
5 15
6 21
7 28
8 140
9 182
10 496
11 546
12 672
13 918
14 1890
15 2016
16 4005
17 4590
18 24384
19 52780
20 55860
21 68200
22 84812
23 90090
24 105664
25 145782
26 186992
27 204600
28 381654
29 728910
30 907680
31 1655400
32 2302344
33 2862405
34 3828009
35 3926832
36 5959440
37 21059220
38 33550336
39 33839988
40 42325920

List of values

[1, 3, 5, 6, 15, 21, 28, 140, 182, 496, 546, 672, 918, 1890, 2016, 4005, 4590, 24384, 52780, 55860, 68200, 84812, 90090, 105664, 145782, 186992, 204600, 381654, 728910, 907680, 1655400, 2302344, 2862405, 3828009, 3926832, 5959440, 21059220, 33550336, 33839988, 42325920]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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