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 | 1 |
| 2 | 3 |
| 3 | 11 |
| 4 | 36 |
| 5 | 113 |
| 6 | 288 |
| 7 | 541 |
| 8 | 963 |
| 9 | 1711 |
| 10 | 2868 |
| 11 | 5313 |
| 12 | 36458 |
| 13 | 48258 |
| 14 | 182463 |
| 15 | 288588 |
| 16 | 363633 |
| 17 | 536956 |
| 18 | 568588 |
| 19 | 1711411 |
| 20 | 2988113 |
| 21 | 9425088 |
| 22 | 11055868 |
| 23 | 30533313 |
| 24 | 47257686 |
| 25 | 48200963 |
| 26 | 963446588 |
| 27 | 1527359886 |
| 28 | 1825604911 |
| 29 | 363633363333 |