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 | 15 |
| 4 | 17 |
| 5 | 26 |
| 6 | 41 |
| 7 | 56 |
| 8 | 59 |
| 9 | 121 |
| 10 | 137 |
| 11 | 224 |
| 12 | 506 |
| 13 | 611 |
| 14 | 836 |
| 15 | 937 |
| 16 | 1079 |
| 17 | 1829 |
| 18 | 2315 |
| 19 | 2666 |
| 20 | 2879 |
| 21 | 6661 |
| 22 | 7167 |
| 23 | 14021 |
| 24 | 15459 |
| 25 | 32924 |
| 26 | 73346 |
| 27 | 176815 |
| 28 | 177302 |