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 | 0 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 65 |
6 | 1026 |
7 | 17857 |
8 | 349224 |
9 | 7657281 |
10 | 186895270 |
11 | 5037424601 |
12 | 148805552556 |
13 | 4784793219505 |
14 | 166458635341194 |
15 | 6231891513395745 |
16 | 249886992888096976 |
17 | 10686839817678846209 |
18 | 485632267141865950926 |
19 | 23370062118676064101801 |
20 | 1187393725239246382405140 |