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 | 9 |
| 2 | 25 |
| 3 | 49 |
| 4 | 91 |
| 5 | 341 |
| 6 | 481 |
| 7 | 703 |
| 8 | 1541 |
| 9 | 1891 |
| 10 | 2701 |
| 11 | 5461 |
| 12 | 6533 |
| 13 | 8911 |
| 14 | 12403 |
| 15 | 18721 |
| 16 | 29341 |
| 17 | 31621 |
| 18 | 38503 |
| 19 | 79003 |
| 20 | 88831 |
| 21 | 146611 |
| 22 | 188191 |
| 23 | 218791 |
| 24 | 269011 |
| 25 | 286903 |
| 26 | 385003 |
| 27 | 497503 |
| 28 | 597871 |
| 29 | 736291 |
| 30 | 765703 |
| 31 | 954271 |
| 32 | 1024651 |
| 33 | 1056331 |
| 34 | 1152271 |
| 35 | 1314631 |
| 36 | 1869211 |
| 37 | 2741311 |