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 | 4 |
| 2 | 20 |
| 3 | 53 |
| 4 | 110 |
| 5 | 201 |
| 6 | 330 |
| 7 | 504 |
| 8 | 730 |
| 9 | 1013 |
| 10 | 1364 |
| 11 | 1787 |
| 12 | 2288 |
| 13 | 2880 |
| 14 | 3564 |
| 15 | 4348 |
| 16 | 5240 |
| 17 | 6243 |
| 18 | 7370 |
| 19 | 8624 |
| 20 | 10010 |
| 21 | 11540 |
| 22 | 13214 |
| 23 | 15045 |
| 24 | 17038 |
| 25 | 19196 |
| 26 | 21536 |
| 27 | 24056 |
| 28 | 26764 |
| 29 | 29671 |
| 30 | 32776 |
| 31 | 36095 |
| 32 | 39630 |
| 33 | 43384 |
| 34 | 47378 |
| 35 | 51605 |
| 36 | 56076 |
| 37 | 60801 |