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 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 11 |
| 6 | 17 |
| 7 | 23 |
| 8 | 35 |
| 9 | 70 |
| 10 | 71 |
| 11 | 143 |
| 12 | 215 |
| 13 | 430 |
| 14 | 431 |
| 15 | 863 |
| 16 | 2158 |
| 17 | 2159 |
| 18 | 4319 |
| 19 | 6479 |
| 20 | 8639 |
| 21 | 12959 |
| 22 | 25918 |
| 23 | 25919 |
| 24 | 51839 |
| 25 | 77759 |
| 26 | 155518 |
| 27 | 155519 |
| 28 | 311039 |
| 29 | 466559 |
| 30 | 933118 |
| 31 | 933119 |
| 32 | 1866239 |
| 33 | 2799359 |
| 34 | 4478975 |
| 35 | 5598719 |
| 36 | 16796159 |