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.

A226364 Composite squarefree numbers n such that the ratios (n - 1/3)/(p - 1/3) are integers for each prime p dividing n.

Table of values

n a(n)
1 308267
2 1420467
3 1445995
4 46874667
5 153810067
6 324218667
7 355724747
8 393253747
9 471957547
10 618729307
11 886489707
12 901990059
13 1062803467
14 1525582667
15 1735517355
16 4306362667
17 4815895467
18 6528285867
19 6634856107
20 11460166667
21 12364885867
22 13330858667
23 20628538667

List of values

[308267, 1420467, 1445995, 46874667, 153810067, 324218667, 355724747, 393253747, 471957547, 618729307, 886489707, 901990059, 1062803467, 1525582667, 1735517355, 4306362667, 4815895467, 6528285867, 6634856107, 11460166667, 12364885867, 13330858667, 20628538667]

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

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