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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 4 |
| 8 | 8 |
| 9 | 9 |
| 10 | 15 |
| 11 | 17 |
| 12 | 31 |
| 13 | 35 |
| 14 | 57 |
| 15 | 70 |
| 16 | 111 |
| 17 | 136 |
| 18 | 213 |
| 19 | 265 |
| 20 | 405 |
| 21 | 517 |
| 22 | 763 |
| 23 | 987 |
| 24 | 1458 |
| 25 | 1893 |
| 26 | 2736 |
| 27 | 3611 |
| 28 | 5161 |
| 29 | 6836 |
| 30 | 9702 |