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 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 22 |
| 6 | 118 |
| 7 | 191 |
| 8 | 362 |
| 9 | 842 |
| 10 | 2042 |
| 11 | 2342 |
| 12 | 3622 |
| 13 | 16022 |
| 14 | 29642 |
| 15 | 66602 |
| 16 | 110881 |
| 17 | 143522 |
| 18 | 535802 |
| 19 | 5070662 |
| 20 | 6252122 |
| 21 | 6497402 |
| 22 | 10219442 |
| 23 | 69069002 |
| 24 | 1130187962 |