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 | 22 |
| 2 | 462 |
| 3 | 9702 |
| 4 | 203302 |
| 5 | 4260542 |
| 6 | 89253582 |
| 7 | 1869809502 |
| 8 | 39167457582 |
| 9 | 820458452462 |
| 10 | 17185914925542 |
| 11 | 359989506212182 |
| 12 | 7540511273930822 |
| 13 | 157947298263243742 |
| 14 | 3308420553034902382 |
| 15 | 69299392385043268822 |
| 16 | 1451565583054963249302 |
| 17 | 30404929596858248780502 |