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 | 1 |
| 2 | 5 |
| 3 | 12 |
| 4 | 21 |
| 5 | 31 |
| 6 | 43 |
| 7 | 57 |
| 8 | 73 |
| 9 | 92 |
| 10 | 112 |
| 11 | 135 |
| 12 | 160 |
| 13 | 187 |
| 14 | 215 |
| 15 | 246 |
| 16 | 278 |
| 17 | 318 |
| 18 | 353 |
| 19 | 392 |
| 20 | 432 |
| 21 | 477 |
| 22 | 525 |
| 23 | 576 |
| 24 | 628 |
| 25 | 683 |
| 26 | 739 |
| 27 | 798 |
| 28 | 857 |
| 29 | 920 |
| 30 | 986 |
| 31 | 1055 |
| 32 | 1128 |
| 33 | 1203 |