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 | 6 |
| 3 | 18 |
| 4 | 41 |
| 5 | 82 |
| 6 | 152 |
| 7 | 269 |
| 8 | 462 |
| 9 | 778 |
| 10 | 1293 |
| 11 | 2130 |
| 12 | 3488 |
| 13 | 5689 |
| 14 | 9254 |
| 15 | 15026 |
| 16 | 24369 |
| 17 | 39490 |
| 18 | 63960 |
| 19 | 103557 |
| 20 | 167630 |
| 21 | 271306 |
| 22 | 439061 |
| 23 | 710498 |
| 24 | 1149696 |
| 25 | 1860337 |
| 26 | 3010182 |
| 27 | 4870674 |
| 28 | 7881017 |
| 29 | 12751858 |
| 30 | 20633048 |
| 31 | 33385085 |
| 32 | 54018318 |
| 33 | 87403594 |
| 34 | 141422109 |
| 35 | 228825906 |