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 | 1 |
| 2 | 25 |
| 3 | 94 |
| 4 | 230 |
| 5 | 455 |
| 6 | 791 |
| 7 | 1260 |
| 8 | 1884 |
| 9 | 2685 |
| 10 | 3685 |
| 11 | 4906 |
| 12 | 6370 |
| 13 | 8099 |
| 14 | 10115 |
| 15 | 12440 |
| 16 | 15096 |
| 17 | 18105 |
| 18 | 21489 |
| 19 | 25270 |
| 20 | 29470 |
| 21 | 34111 |
| 22 | 39215 |
| 23 | 44804 |
| 24 | 50900 |
| 25 | 57525 |
| 26 | 64701 |
| 27 | 72450 |
| 28 | 80794 |
| 29 | 89755 |
| 30 | 99355 |
| 31 | 109616 |
| 32 | 120560 |
| 33 | 132209 |
| 34 | 144585 |
| 35 | 157710 |
| 36 | 171606 |
| 37 | 186295 |
| 38 | 201799 |
| 39 | 218140 |