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.

A075590 Smallest number with n distinct prime divisors which is the average of a twin prime pair.

Table of values

n a(n)
1 4
2 6
3 30
4 420
5 2310
6 43890
7 1138830
8 17160990
9 300690390
10 15651726090
11 239378649510
12 12234189897930
13 461282657605770
14 19835154277048110
15 693386350578511590
16 37508276737897976010
17 3338236629672919864890
18 209580878166809177658630
19 11465419967969569966774410

List of values

[4, 6, 30, 420, 2310, 43890, 1138830, 17160990, 300690390, 15651726090, 239378649510, 12234189897930, 461282657605770, 19835154277048110, 693386350578511590, 37508276737897976010, 3338236629672919864890, 209580878166809177658630, 11465419967969569966774410]

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

Content is available under The OEIS End-User License Agreement.