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 | 4 |
| 2 | 14 |
| 3 | 36 |
| 4 | 85 |
| 5 | 176 |
| 6 | 344 |
| 7 | 624 |
| 8 | 1086 |
| 9 | 1800 |
| 10 | 2892 |
| 11 | 4488 |
| 12 | 6798 |
| 13 | 10032 |
| 14 | 14520 |
| 15 | 20592 |
| 16 | 28743 |
| 17 | 39468 |
| 18 | 53482 |
| 19 | 71500 |
| 20 | 94523 |
| 21 | 123552 |
| 22 | 159952 |
| 23 | 205088 |
| 24 | 260780 |
| 25 | 328848 |
| 26 | 411672 |
| 27 | 511632 |
| 28 | 631788 |
| 29 | 775200 |
| 30 | 945744 |
| 31 | 1147296 |
| 32 | 1384701 |
| 33 | 1662804 |