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 | 3 |
| 2 | 6 |
| 3 | 42 |
| 4 | 399 |
| 5 | 462 |
| 6 | 930 |
| 7 | 1054 |
| 8 | 3135 |
| 9 | 4830 |
| 10 | 6478 |
| 11 | 13110 |
| 12 | 19599 |
| 13 | 20022 |
| 14 | 24963 |
| 15 | 26394 |
| 16 | 35530 |
| 17 | 38805 |
| 18 | 39999 |
| 19 | 41205 |
| 20 | 44310 |
| 21 | 52899 |
| 22 | 71002 |
| 23 | 74254 |
| 24 | 81510 |
| 25 | 94863 |
| 26 | 95790 |
| 27 | 103362 |
| 28 | 109230 |
| 29 | 111547 |
| 30 | 114243 |
| 31 | 135790 |
| 32 | 144399 |
| 33 | 146685 |
| 34 | 157206 |
| 35 | 166866 |
| 36 | 183183 |