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.

A372634 Numerators of the reduced fraction of all rational number representations (a/b, with a and b being integers) which can themselves be reduced by at least one common prime factor of at most prime(n).

Table of values

n a(n)
1 1
2 1
3 9
4 457
5 11213
6 273347
7 79439651
8 5761023199
9 277886746829
10 33449007905699
11 32197332748181219
12 2322572170370125769
13 3907895853135787075289
14 657439531892484346088851
15 63187594618979703535273733
16 13660992716321028635960170769

List of values

[1, 1, 9, 457, 11213, 273347, 79439651, 5761023199, 277886746829, 33449007905699, 32197332748181219, 2322572170370125769, 3907895853135787075289, 657439531892484346088851, 63187594618979703535273733, 13660992716321028635960170769]