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 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 14 |
| 7 | 25 |
| 8 | 41 |
| 9 | 70 |
| 10 | 116 |
| 11 | 198 |
| 12 | 331 |
| 13 | 568 |
| 14 | 957 |
| 15 | 1635 |
| 16 | 2776 |
| 17 | 4757 |
| 18 | 8144 |
| 19 | 14089 |
| 20 | 24428 |
| 21 | 42707 |
| 22 | 74895 |
| 23 | 131983 |
| 24 | 232895 |
| 25 | 411725 |
| 26 | 727434 |
| 27 | 1284809 |
| 28 | 2265997 |
| 29 | 3992154 |
| 30 | 7023718 |
| 31 | 12347202 |
| 32 | 21690274 |
| 33 | 38096244 |
| 34 | 66915426 |
| 35 | 117591030 |
| 36 | 206791336 |
| 37 | 364037186 |
| 38 | 641690280 |