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 | 4 |
| 2 | 7 |
| 3 | 20 |
| 4 | 51 |
| 5 | 88 |
| 6 | 135 |
| 7 | 166 |
| 8 | 243 |
| 9 | 382 |
| 10 | 509 |
| 11 | 512 |
| 12 | 741 |
| 13 | 936 |
| 14 | 1261 |
| 15 | 1532 |
| 16 | 1543 |
| 17 | 2000 |
| 18 | 2367 |
| 19 | 2956 |
| 20 | 3425 |
| 21 | 3448 |
| 22 | 4211 |
| 23 | 4804 |
| 24 | 5735 |
| 25 | 6456 |
| 26 | 6815 |
| 27 | 7642 |
| 28 | 8515 |
| 29 | 9866 |
| 30 | 9913 |
| 31 | 11408 |
| 32 | 12561 |
| 33 | 13768 |
| 34 | 15617 |
| 35 | 15686 |
| 36 | 17703 |
| 37 | 19236 |
| 38 | 20831 |
| 39 | 23256 |
| 40 | 23351 |
| 41 | 25968 |
| 42 | 27935 |
| 43 | 29972 |
| 44 | 30963 |