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 | 15 |
| 2 | 115 |
| 3 | 155 |
| 4 | 201 |
| 5 | 253 |
| 6 | 445 |
| 7 | 785 |
| 8 | 1345 |
| 9 | 2215 |
| 10 | 3503 |
| 11 | 3711 |
| 12 | 4145 |
| 13 | 4841 |
| 14 | 5853 |
| 15 | 6395 |
| 16 | 7855 |
| 17 | 9131 |
| 18 | 12353 |
| 19 | 13535 |
| 20 | 14353 |
| 21 | 16503 |
| 22 | 18331 |
| 23 | 19281 |
| 24 | 20255 |
| 25 | 20751 |
| 26 | 21253 |
| 27 | 21761 |
| 28 | 23853 |
| 29 | 24935 |
| 30 | 26603 |
| 31 | 29503 |
| 32 | 30101 |