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.

A054642 Distinct values of GCD of divisor sum of primorials and primorial itself: gcd(A002110(n), A000203(A002110(n))).

Table of values

n a(n)
1 1
2 6
3 42
4 210
5 3990
6 43890
7 1360590
8 23130030
9 855811110
10 11125544430
11 255887521890
12 20215114229310
13 828819683401710
14 24035770818649590
15 2331469769409010230
16 123567897778677542190
17 5313419604483134314170

List of values

[1, 6, 42, 210, 3990, 43890, 1360590, 23130030, 855811110, 11125544430, 255887521890, 20215114229310, 828819683401710, 24035770818649590, 2331469769409010230, 123567897778677542190, 5313419604483134314170]

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

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