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 | 8 |
| 2 | 34 |
| 3 | 107 |
| 4 | 281 |
| 5 | 654 |
| 6 | 1397 |
| 7 | 2801 |
| 8 | 5353 |
| 9 | 9859 |
| 10 | 17643 |
| 11 | 30869 |
| 12 | 53062 |
| 13 | 89951 |
| 14 | 150833 |
| 15 | 250780 |
| 16 | 414210 |
| 17 | 680665 |
| 18 | 1114160 |
| 19 | 1818310 |
| 20 | 2960806 |
| 21 | 4813018 |
| 22 | 7814074 |
| 23 | 12674542 |
| 24 | 20544191 |
| 25 | 33283434 |
| 26 | 53902532 |
| 27 | 87272241 |
| 28 | 141273663 |
| 29 | 228658744 |