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 | 5 |
| 4 | 9 |
| 5 | 13 |
| 6 | 20 |
| 7 | 21 |
| 8 | 32 |
| 9 | 33 |
| 10 | 56 |
| 11 | 73 |
| 12 | 81 |
| 13 | 149 |
| 14 | 313 |
| 15 | 455 |
| 16 | 753 |
| 17 | 1013 |
| 18 | 1166 |
| 19 | 1304 |
| 20 | 1679 |
| 21 | 15758 |
| 22 | 15896 |
| 23 | 21801 |
| 24 | 41353 |
| 25 | 45421 |
| 26 | 131090 |
| 27 | 151007 |