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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 12 |
| 6 | 22 |
| 7 | 36 |
| 8 | 62 |
| 9 | 104 |
| 10 | 174 |
| 11 | 286 |
| 12 | 478 |
| 13 | 780 |
| 14 | 1284 |
| 15 | 2100 |
| 16 | 3433 |
| 17 | 5586 |
| 18 | 9114 |
| 19 | 14798 |
| 20 | 24064 |
| 21 | 39050 |
| 22 | 63376 |
| 23 | 102726 |
| 24 | 166584 |
| 25 | 269835 |
| 26 | 437190 |
| 27 | 707964 |
| 28 | 1146480 |
| 29 | 1855966 |
| 30 | 3004748 |
| 31 | 4863306 |
| 32 | 7871798 |
| 33 | 12739576 |
| 34 | 20617652 |
| 35 | 33364524 |
| 36 | 53992834 |
| 37 | 87369548 |
| 38 | 141379728 |
| 39 | 228769842 |