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 | 109 |
| 2 | 157 |
| 3 | 307 |
| 4 | 427 |
| 5 | 499 |
| 6 | 811 |
| 7 | 1015 |
| 8 | 1183 |
| 9 | 1459 |
| 10 | 2013 |
| 11 | 2251 |
| 12 | 2715 |
| 13 | 3181 |
| 14 | 3259 |
| 15 | 3439 |
| 16 | 3541 |
| 17 | 3889 |
| 18 | 3963 |
| 19 | 4303 |
| 20 | 4339 |
| 21 | 4553 |
| 22 | 4909 |
| 23 | 5197 |
| 24 | 6421 |
| 25 | 6661 |
| 26 | 6997 |
| 27 | 8389 |
| 28 | 8707 |
| 29 | 8779 |
| 30 | 9067 |
| 31 | 9109 |
| 32 | 9663 |
| 33 | 10531 |
| 34 | 10597 |
| 35 | 11731 |
| 36 | 12243 |
| 37 | 12259 |
| 38 | 13009 |
| 39 | 13789 |
| 40 | 14347 |
| 41 | 14437 |
| 42 | 14583 |
| 43 | 16143 |