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.

A325237 Squarefree k such that 1/2 - phi(k)/k is positive and minimal for k with gpf(k) = prime(n).

Table of values

n a(n)
1 2
2 6
3 10
4 105
5 165
6 195
7 4641
8 5187
9 5313
10 266133
11 8870433
12 3068957045
13 11063481
14 10164297
15 667797009
16 909411789
17 32221169781185
18 1963007211216415
19 421522466365
20 3012887561310445

List of values

[2, 6, 10, 105, 165, 195, 4641, 5187, 5313, 266133, 8870433, 3068957045, 11063481, 10164297, 667797009, 909411789, 32221169781185, 1963007211216415, 421522466365, 3012887561310445]

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

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