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.

A115916 Numbers k such that sigma(k) + phi(k) is a brilliant number (A078972).

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 6
6 7
7 128
8 144
9 400
10 576
11 1296
12 8100
13 11664
14 13225
15 15129
16 34969
17 40000
18 44944
19 55112
20 60025
21 63368
22 67712
23 69938
24 91809
25 103058
26 135424
27 157922
28 203401
29 861184
30 1034289
31 1258884
32 1270418
33 1435204
34 1440000
35 1575025

List of values

[2, 3, 4, 5, 6, 7, 128, 144, 400, 576, 1296, 8100, 11664, 13225, 15129, 34969, 40000, 44944, 55112, 60025, 63368, 67712, 69938, 91809, 103058, 135424, 157922, 203401, 861184, 1034289, 1258884, 1270418, 1435204, 1440000, 1575025]

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

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