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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 11 |
| 6 | 18 |
| 7 | 29 |
| 8 | 45 |
| 9 | 70 |
| 10 | 108 |
| 11 | 170 |
| 12 | 270 |
| 13 | 439 |
| 14 | 726 |
| 15 | 1227 |
| 16 | 2108 |
| 17 | 3685 |
| 18 | 6523 |
| 19 | 11687 |
| 20 | 21129 |
| 21 | 38513 |
| 22 | 70649 |
| 23 | 130347 |
| 24 | 241610 |
| 25 | 449735 |
| 26 | 840134 |
| 27 | 1574537 |
| 28 | 2959350 |
| 29 | 5576730 |
| 30 | 10533846 |
| 31 | 19940812 |
| 32 | 37823859 |
| 33 | 71878024 |
| 34 | 136827410 |
| 35 | 260884686 |
| 36 | 498167480 |
| 37 | 952607343 |