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 | 23 |
| 2 | 41 |
| 3 | 59 |
| 4 | 131 |
| 5 | 311 |
| 6 | 329 |
| 7 | 581 |
| 8 | 689 |
| 9 | 941 |
| 10 | 1049 |
| 11 | 1391 |
| 12 | 1931 |
| 13 | 2471 |
| 14 | 2579 |
| 15 | 2651 |
| 16 | 3281 |
| 17 | 3839 |
| 18 | 3911 |
| 19 | 4289 |
| 20 | 4451 |
| 21 | 4469 |
| 22 | 4829 |
| 23 | 5621 |
| 24 | 5999 |
| 25 | 6251 |
| 26 | 6719 |
| 27 | 6809 |
| 28 | 7979 |
| 29 | 8069 |
| 30 | 9761 |
| 31 | 10391 |
| 32 | 10589 |
| 33 | 11021 |
| 34 | 11759 |
| 35 | 12011 |
| 36 | 12389 |
| 37 | 13559 |
| 38 | 13919 |
| 39 | 14369 |
| 40 | 14801 |