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 | 405 |
| 2 | 1395 |
| 3 | 3435 |
| 4 | 3525 |
| 5 | 4245 |
| 6 | 4365 |
| 7 | 6675 |
| 8 | 6885 |
| 9 | 7155 |
| 10 | 7515 |
| 11 | 7995 |
| 12 | 8325 |
| 13 | 8445 |
| 14 | 9075 |
| 15 | 10365 |
| 16 | 10845 |
| 17 | 11205 |
| 18 | 11543 |
| 19 | 13005 |
| 20 | 14235 |
| 21 | 14325 |
| 22 | 18075 |
| 23 | 19725 |
| 24 | 19875 |
| 25 | 22605 |
| 26 | 23257 |
| 27 | 23475 |
| 28 | 23617 |
| 29 | 26805 |
| 30 | 27315 |
| 31 | 29835 |
| 32 | 29955 |
| 33 | 31035 |
| 34 | 32355 |
| 35 | 32925 |
| 36 | 33165 |
| 37 | 34395 |