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 | 2 |
| 2 | 5 |
| 3 | 12 |
| 4 | 26 |
| 5 | 54 |
| 6 | 112 |
| 7 | 220 |
| 8 | 427 |
| 9 | 812 |
| 10 | 1518 |
| 11 | 2790 |
| 12 | 5074 |
| 13 | 9096 |
| 14 | 16144 |
| 15 | 28360 |
| 16 | 49367 |
| 17 | 85180 |
| 18 | 145867 |
| 19 | 247886 |
| 20 | 418426 |
| 21 | 701702 |
| 22 | 1169673 |
| 23 | 1938498 |
| 24 | 3195497 |
| 25 | 5240386 |
| 26 | 8552308 |
| 27 | 13892638 |
| 28 | 22468406 |
| 29 | 36184636 |
| 30 | 58040397 |
| 31 | 92737842 |
| 32 | 147631545 |
| 33 | 234184172 |
| 34 | 370215442 |
| 35 | 583343070 |