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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 9 |
| 6 | 17 |
| 7 | 20 |
| 8 | 36 |
| 9 | 52 |
| 10 | 86 |
| 11 | 125 |
| 12 | 220 |
| 13 | 324 |
| 14 | 542 |
| 15 | 855 |
| 16 | 1400 |
| 17 | 2209 |
| 18 | 3635 |
| 19 | 5780 |
| 20 | 9439 |
| 21 | 15150 |
| 22 | 24602 |
| 23 | 39605 |
| 24 | 64328 |
| 25 | 103691 |
| 26 | 168086 |
| 27 | 271495 |
| 28 | 439750 |
| 29 | 710649 |
| 30 | 1150794 |
| 31 | 1860500 |
| 32 | 3011749 |
| 33 | 4870975 |
| 34 | 7883406 |
| 35 | 12752070 |
| 36 | 20637077 |
| 37 | 33385284 |
| 38 | 54024302 |