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.

A165629 Numbers n such that sigma(n)/phi(n) = 25/4, where sigma = A000203, phi = A000010.

Table of values

n a(n)
1 760
2 11020
3 18088
4 21112
5 58206
6 65262
7 71630
8 100280
9 123424
10 142688
11 262276
12 303212
13 332710
14 630344
15 679070
16 761390
17 1265096
18 1369120
19 1454060
20 1454260
21 1462552
22 1704794
23 2185750
24 2386664
25 2627548
26 2783872
27 2786056
28 2909380
29 2927848
30 5207680
31 5289220

List of values

[760, 11020, 18088, 21112, 58206, 65262, 71630, 100280, 123424, 142688, 262276, 303212, 332710, 630344, 679070, 761390, 1265096, 1369120, 1454060, 1454260, 1462552, 1704794, 2185750, 2386664, 2627548, 2783872, 2786056, 2909380, 2927848, 5207680, 5289220]