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 | 6 |
| 2 | 15 |
| 3 | 28 |
| 4 | 30 |
| 5 | 91 |
| 6 | 117 |
| 7 | 135 |
| 8 | 252 |
| 9 | 270 |
| 10 | 496 |
| 11 | 703 |
| 12 | 864 |
| 13 | 936 |
| 14 | 1891 |
| 15 | 1989 |
| 16 | 2295 |
| 17 | 2701 |
| 18 | 4284 |
| 19 | 4590 |
| 20 | 5733 |
| 21 | 8128 |
| 22 | 8432 |
| 23 | 12403 |
| 24 | 18721 |
| 25 | 19872 |
| 26 | 21528 |
| 27 | 38503 |
| 28 | 41580 |
| 29 | 49141 |
| 30 | 51319 |
| 31 | 56896 |
| 32 | 79003 |
| 33 | 88831 |
| 34 | 104653 |
| 35 | 121920 |
| 36 | 146611 |
| 37 | 188191 |
| 38 | 218791 |
| 39 | 226801 |
| 40 | 235053 |
| 41 | 269011 |
| 42 | 286903 |