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 | 12 |
3 | 114 |
4 | 1008 |
5 | 8676 |
6 | 73872 |
7 | 626184 |
8 | 5298048 |
9 | 44791056 |
10 | 378551232 |
11 | 3198883104 |
12 | 27030060288 |
13 | 228394230336 |
14 | 1929828955392 |
15 | 16306120554624 |
16 | 137778577993728 |
17 | 1164159319286016 |
18 | 9836554491620352 |
19 | 83113874320863744 |
20 | 702269857101754368 |