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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 8 |
| 6 | 12 |
| 7 | 15 |
| 8 | 25 |
| 9 | 32 |
| 10 | 48 |
| 11 | 53 |
| 12 | 106 |
| 13 | 265 |
| 14 | 318 |
| 15 | 321 |
| 16 | 428 |
| 17 | 642 |
| 18 | 2563 |
| 19 | 5713 |
| 20 | 15019 |
| 21 | 113573 |
| 22 | 230801 |
| 23 | 306127 |
| 24 | 941071 |
| 25 | 1016963 |
| 26 | 5166859 |
| 27 | 9536294 |
| 28 | 30956561 |
| 29 | 123081011 |
| 30 | 265811669 |
| 31 | 1016775247 |
| 32 | 3050325741 |
| 33 | 4354364461 |
| 34 | 14086296281 |
| 35 | 60060345973 |