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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.

A076373 Solutions to n + 2*phi(n) = sigma(n) where phi is A000010 and sigma is A000203.

Table of values

n a(n)
1 10
2 44
3 184
4 752
5 3796
6 12224
7 49024
8 12580864
9 60610624
10 1091389696
11 2936313088
12 46672718384
13 58082557696
14 78857645056
15 118480915456
16 206158168064
17 292776422368
18 346109272672
19 393960181792

List of values

[10, 44, 184, 752, 3796, 12224, 49024, 12580864, 60610624, 1091389696, 2936313088, 46672718384, 58082557696, 78857645056, 118480915456, 206158168064, 292776422368, 346109272672, 393960181792]

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

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