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 | 21 |
| 3 | 63 |
| 4 | 291 |
| 5 | 502 |
| 6 | 2518 |
| 7 | 2817 |
| 8 | 2991 |
| 9 | 4435 |
| 10 | 5229 |
| 11 | 5367 |
| 12 | 5637 |
| 13 | 6102 |
| 14 | 6174 |
| 15 | 6543 |
| 16 | 6822 |
| 17 | 7236 |
| 18 | 7422 |
| 19 | 8022 |
| 20 | 8541 |
| 21 | 8982 |
| 22 | 17631 |
| 23 | 18231 |
| 24 | 18261 |
| 25 | 20301 |
| 26 | 20518 |
| 27 | 20617 |
| 28 | 21058 |
| 29 | 22471 |
| 30 | 22851 |
| 31 | 25196 |
| 32 | 25918 |
| 33 | 27615 |
| 34 | 29817 |
| 35 | 34816 |
| 36 | 35683 |
| 37 | 43218 |
| 38 | 44305 |