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 | 2 |
| 3 | 5 |
| 4 | 11 |
| 5 | 22 |
| 6 | 42 |
| 7 | 77 |
| 8 | 138 |
| 9 | 243 |
| 10 | 423 |
| 11 | 730 |
| 12 | 1252 |
| 13 | 2137 |
| 14 | 3634 |
| 15 | 6161 |
| 16 | 10419 |
| 17 | 17582 |
| 18 | 29614 |
| 19 | 49797 |
| 20 | 83610 |
| 21 | 140191 |
| 22 | 234767 |
| 23 | 392690 |
| 24 | 656136 |
| 25 | 1095217 |
| 26 | 1826402 |
| 27 | 3043037 |
| 28 | 5065883 |
| 29 | 8426758 |
| 30 | 14006898 |
| 31 | 23265725 |
| 32 | 38618922 |
| 33 | 64062987 |
| 34 | 106206519 |
| 35 | 175972426 |