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.

A164650 Numbers n such that sigma(n)/phi(n) = 49/36.

Table of values

n a(n)
1 679
2 10127
3 20273
4 672203
5 971261
6 1133639
7 1247129
8 1336231
9 1646743
10 1701089
11 2369471
12 2674969
13 2722499
14 2989909
15 3160079
16 3597659
17 4545749
18 6333503
19 7127861
20 9357101
21 10574629
22 20070061
23 52928293
24 67931137
25 74731807
26 79940069
27 80704813
28 93444911
29 128155333

List of values

[679, 10127, 20273, 672203, 971261, 1133639, 1247129, 1336231, 1646743, 1701089, 2369471, 2674969, 2722499, 2989909, 3160079, 3597659, 4545749, 6333503, 7127861, 9357101, 10574629, 20070061, 52928293, 67931137, 74731807, 79940069, 80704813, 93444911, 128155333]