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) |
|---|---|
| 0 | 1 |
| 1 | 31 |
| 2 | 97 |
| 3 | 199 |
| 4 | 337 |
| 5 | 511 |
| 6 | 721 |
| 7 | 967 |
| 8 | 1249 |
| 9 | 1567 |
| 10 | 1921 |
| 11 | 2311 |
| 12 | 2737 |
| 13 | 3199 |
| 14 | 3697 |
| 15 | 4231 |
| 16 | 4801 |
| 17 | 5407 |
| 18 | 6049 |
| 19 | 6727 |
| 20 | 7441 |
| 21 | 8191 |
| 22 | 8977 |
| 23 | 9799 |
| 24 | 10657 |
| 25 | 11551 |
| 26 | 12481 |
| 27 | 13447 |
| 28 | 14449 |
| 29 | 15487 |
| 30 | 16561 |
| 31 | 17671 |
| 32 | 18817 |
| 33 | 19999 |
| 34 | 21217 |
| 35 | 22471 |
| 36 | 23761 |
| 37 | 25087 |
| 38 | 26449 |
| 39 | 27847 |
| 40 | 29281 |
| 41 | 30751 |
| 42 | 32257 |