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 | 0 |
| 1 | 6 |
| 2 | 31 |
| 3 | 48 |
| 4 | 22 |
| 5 | 599 |
| 6 | 1102 |
| 7 | 5280 |
| 8 | 4667 |
| 9 | 1753 |
| 10 | 48861 |
| 11 | 150336 |
| 12 | 223254 |
| 13 | 644487 |
| 14 | 7016773 |
| 15 | 9588848 |