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 | 22 |
| 2 | 35 |
| 3 | 51 |
| 4 | 145 |
| 5 | 247 |
| 6 | 287 |
| 7 | 1247 |
| 8 | 1717 |
| 9 | 2147 |
| 10 | 2501 |
| 11 | 3151 |
| 12 | 4187 |
| 13 | 5017 |
| 14 | 7957 |
| 15 | 11051 |
| 16 | 13207 |
| 17 | 15251 |
| 18 | 16801 |
| 19 | 17767 |
| 20 | 20827 |
| 21 | 26867 |
| 22 | 33227 |
| 23 | 49051 |
| 24 | 63551 |
| 25 | 68587 |
| 26 | 71177 |
| 27 | 76501 |
| 28 | 81317 |
| 29 | 96647 |
| 30 | 112477 |
| 31 | 118301 |
| 32 | 128627 |
| 33 | 147737 |
| 34 | 159251 |
| 35 | 182527 |
| 36 | 232657 |
| 37 | 237407 |
| 38 | 241001 |
| 39 | 250717 |