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 | 31 |
| 2 | 71 |
| 3 | 167 |
| 4 | 311 |
| 5 | 551 |
| 6 | 791 |
| 7 | 1151 |
| 8 | 1655 |
| 9 | 2279 |
| 10 | 3119 |
| 11 | 3935 |
| 12 | 4871 |
| 13 | 5711 |
| 14 | 6791 |
| 15 | 8391 |
| 16 | 9959 |
| 17 | 11639 |
| 18 | 13175 |
| 19 | 14831 |
| 20 | 16559 |
| 21 | 18383 |
| 22 | 20975 |
| 23 | 24071 |
| 24 | 27419 |
| 25 | 30191 |
| 26 | 32231 |
| 27 | 33911 |
| 28 | 36071 |
| 29 | 40511 |
| 30 | 45791 |
| 31 | 51983 |
| 32 | 55199 |
| 33 | 60167 |
| 34 | 64199 |
| 35 | 69599 |
| 36 | 73911 |
| 37 | 79031 |
| 38 | 84311 |