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 | 4 |
| 4 | 7 |
| 5 | 11 |
| 6 | 20 |
| 7 | 35 |
| 8 | 59 |
| 9 | 99 |
| 10 | 165 |
| 11 | 270 |
| 12 | 443 |
| 13 | 723 |
| 14 | 1161 |
| 15 | 1861 |
| 16 | 2961 |
| 17 | 4654 |
| 18 | 7279 |
| 19 | 11317 |
| 20 | 17476 |
| 21 | 26879 |
| 22 | 41132 |
| 23 | 62601 |
| 24 | 94878 |
| 25 | 143172 |
| 26 | 215115 |
| 27 | 321995 |
| 28 | 480216 |
| 29 | 713655 |
| 30 | 1057192 |