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) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 9 |
| 3 | 33 |
| 4 | 93 |
| 5 | 242 |
| 6 | 568 |
| 7 | 1237 |
| 8 | 2532 |
| 9 | 4905 |
| 10 | 9071 |
| 11 | 16113 |
| 12 | 27654 |
| 13 | 45997 |
| 14 | 74388 |
| 15 | 117408 |
| 16 | 181271 |
| 17 | 274163 |
| 18 | 407066 |
| 19 | 594568 |
| 20 | 855087 |
| 21 | 1211979 |
| 22 | 1695785 |
| 23 | 2344564 |
| 24 | 3204123 |
| 25 | 4332497 |
| 26 | 5802690 |
| 27 | 7699864 |
| 28 | 10126446 |
| 29 | 13212343 |
| 30 | 17109772 |
| 31 | 21991217 |
| 32 | 28071644 |
| 33 | 35611707 |
| 34 | 44895662 |