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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 7 |
| 6 | 9 |
| 7 | 18 |
| 8 | 25 |
| 9 | 27 |
| 10 | 54 |
| 11 | 73 |
| 12 | 97 |
| 13 | 129 |
| 14 | 171 |
| 15 | 231 |
| 16 | 313 |
| 17 | 327 |
| 18 | 649 |
| 19 | 703 |
| 20 | 871 |
| 21 | 1161 |
| 22 | 2223 |
| 23 | 2463 |
| 24 | 2919 |
| 25 | 3711 |
| 26 | 6171 |
| 27 | 10971 |
| 28 | 13255 |
| 29 | 17647 |
| 30 | 23529 |
| 31 | 26623 |
| 32 | 34239 |
| 33 | 35655 |
| 34 | 52527 |
| 35 | 77031 |
| 36 | 106239 |
| 37 | 142587 |
| 38 | 156159 |
| 39 | 216367 |
| 40 | 230631 |
| 41 | 410011 |
| 42 | 511935 |
| 43 | 626331 |
| 44 | 837799 |