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 | 1 |
| 2 | 657 |
| 3 | 3681 |
| 4 | 10809 |
| 5 | 15777 |
| 6 | 17937 |
| 7 | 24201 |
| 8 | 28521 |
| 9 | 54657 |
| 10 | 81441 |
| 11 | 122697 |
| 12 | 154881 |
| 13 | 230481 |
| 14 | 265257 |
| 15 | 336321 |
| 16 | 346041 |
| 17 | 455337 |
| 18 | 473481 |
| 19 | 547137 |
| 20 | 613017 |
| 21 | 718857 |
| 22 | 833121 |
| 23 | 898137 |
| 24 | 1161009 |
| 25 | 1226457 |
| 26 | 1274841 |
| 27 | 1305081 |
| 28 | 1510281 |
| 29 | 1584801 |
| 30 | 1618497 |
| 31 | 1695609 |
| 32 | 1752417 |
| 33 | 1846161 |
| 34 | 1965609 |