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.
n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 222 |
4 | 9918 |
5 | 486924 |
6 | 25267236 |
7 | 1359631776 |
8 | 75059524392 |
9 | 4223303759148 |
10 | 241144782230124 |
11 | 13930829740017132 |
12 | 812470444305924300 |
13 | 47760356825349969600 |
14 | 2826309951801018736800 |
15 | 168207011284961649886800 |
16 | 10060178088232285063542768 |
17 | 604273284101165691102038556 |