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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.

A065818 Numbers k such that 3*phi(k) = 2*sigma(k).

Table of values

n a(n)
1 5
2 119
3 3553
4 4147
5 8323
6 198679
7 218569
8 248501
9 298129
10 468809
11 547261
12 1098349
13 1398061
14 1947379
15 1990417
16 3076549
17 3453289
18 3994753
19 6969529
20 7690249
21 8790439
22 11905457
23 13097327
24 14346577
25 14732011
26 14988967
27 15286973
28 16145269
29 20851493
30 21622867
31 23083081
32 24924599
33 26218777
34 26326867

List of values

[5, 119, 3553, 4147, 8323, 198679, 218569, 248501, 298129, 468809, 547261, 1098349, 1398061, 1947379, 1990417, 3076549, 3453289, 3994753, 6969529, 7690249, 8790439, 11905457, 13097327, 14346577, 14732011, 14988967, 15286973, 16145269, 20851493, 21622867, 23083081, 24924599, 26218777, 26326867]

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

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