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) |
---|---|
0 | 1 |
1 | 1 |
2 | 6 |
3 | 54 |
4 | 628 |
5 | 8760 |
6 | 140904 |
7 | 2552151 |
8 | 51243864 |
9 | 1127982321 |
10 | 26993774100 |
11 | 697703846499 |
12 | 19372450060296 |
13 | 575205186725962 |
14 | 18191422973198622 |
15 | 610655961723782310 |
16 | 21689599103526363600 |
17 | 812832263931582168447 |
18 | 32057155649057309677062 |
19 | 1327393477257351399000744 |
20 | 57581802198755959140129600 |