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) |
---|---|
10 | 1 |
11 | 45 |
12 | 1320 |
13 | 32670 |
14 | 766623 |
15 | 17990973 |
16 | 431474615 |
17 | 10643661600 |
18 | 271155254513 |
19 | 7162999744329 |
20 | 196798229724018 |
21 | 5629113506142750 |
22 | 167609902621721416 |
23 | 5193256923854366136 |
24 | 167378142642521719832 |
25 | 5608242214782541676496 |