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 | 14 |
| 5 | 19 |
| 6 | 21 |
| 7 | 27 |
| 8 | 33 |
| 9 | 46 |
| 10 | 70 |
| 11 | 80 |
| 12 | 441 |
| 13 | 540 |
| 14 | 567 |
| 15 | 625 |
| 16 | 1057 |
| 17 | 1119 |
| 18 | 1213 |
| 19 | 1542 |
| 20 | 4263 |
| 21 | 4419 |
| 22 | 4507 |
| 23 | 5186 |
| 24 | 7345 |
| 25 | 8626 |
| 26 | 8853 |
| 27 | 11256 |
| 28 | 12885 |
| 29 | 14688 |
| 30 | 15236 |
| 31 | 17697 |
| 32 | 26770 |
| 33 | 57801 |
| 34 | 71665 |