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 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 11 |
| 5 | 30 |
| 6 | 62 |
| 7 | 129 |
| 8 | 235 |
| 9 | 541 |
| 10 | 1034 |
| 11 | 2101 |
| 12 | 4140 |
| 13 | 8129 |
| 14 | 15984 |
| 15 | 31903 |
| 16 | 60398 |
| 17 | 117646 |
| 18 | 228808 |
| 19 | 433768 |
| 20 | 836552 |
| 21 | 1601282 |
| 22 | 3031299 |
| 23 | 5736396 |
| 24 | 10899112 |
| 25 | 20466182 |
| 26 | 38556342 |
| 27 | 72522116 |
| 28 | 135662847 |
| 29 | 253047629 |
| 30 | 473785878 |
| 31 | 878655661 |
| 32 | 1634304062 |
| 33 | 3033385668 |
| 34 | 5608183925 |