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 | 10 |
| 2 | 59 |
| 3 | 268 |
| 4 | 1037 |
| 5 | 3598 |
| 6 | 11535 |
| 7 | 34832 |
| 8 | 100369 |
| 9 | 278546 |
| 10 | 749587 |
| 11 | 1966100 |
| 12 | 5046293 |
| 13 | 12714006 |
| 14 | 31522839 |
| 15 | 77070360 |
| 16 | 186122265 |
| 17 | 444596250 |
| 18 | 1051721755 |
| 19 | 2466250780 |
| 20 | 5737807901 |
| 21 | 13254000670 |
| 22 | 30417092639 |
| 23 | 69390565408 |