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 | 13 |
| 2 | 421 |
| 3 | 1861 |
| 4 | 5101 |
| 5 | 16381 |
| 6 | 60901 |
| 7 | 83641 |
| 8 | 100801 |
| 9 | 106261 |
| 10 | 135721 |
| 11 | 161881 |
| 12 | 205441 |
| 13 | 218461 |
| 14 | 337021 |
| 15 | 388081 |
| 16 | 431521 |
| 17 | 571381 |
| 18 | 637321 |
| 19 | 697381 |
| 20 | 926161 |
| 21 | 1108561 |
| 22 | 1460341 |
| 23 | 1515541 |
| 24 | 1806901 |
| 25 | 1899301 |
| 26 | 2334961 |
| 27 | 2574181 |
| 28 | 2601481 |
| 29 | 2740141 |
| 30 | 2834581 |
| 31 | 2853661 |
| 32 | 3248701 |
| 33 | 3403441 |
| 34 | 3723721 |
| 35 | 3889261 |
| 36 | 4503001 |