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 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 7 |
| 5 | 12 |
| 6 | 14 |
| 7 | 30 |
| 8 | 32 |
| 9 | 33 |
| 10 | 38 |
| 11 | 94 |
| 12 | 166 |
| 13 | 324 |
| 14 | 379 |
| 15 | 469 |
| 16 | 546 |
| 17 | 974 |
| 18 | 1963 |
| 19 | 3507 |
| 20 | 3610 |
| 21 | 6917 |
| 22 | 21480 |
| 23 | 34790 |
| 24 | 94550 |
| 25 | 103040 |
| 26 | 147855 |
| 27 | 208003 |