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 | 21 |
| 3 | 124 |
| 4 | 435 |
| 5 | 1126 |
| 6 | 2447 |
| 7 | 4756 |
| 8 | 8427 |
| 9 | 13946 |
| 10 | 21865 |
| 11 | 32822 |
| 12 | 47575 |
| 13 | 66978 |
| 14 | 91787 |
| 15 | 123106 |
| 16 | 161979 |
| 17 | 209636 |
| 18 | 267195 |
| 19 | 336226 |
| 20 | 418025 |
| 21 | 514162 |
| 22 | 626453 |
| 23 | 756526 |
| 24 | 906243 |
| 25 | 1077772 |
| 26 | 1272815 |
| 27 | 1493676 |
| 28 | 1742527 |
| 29 | 2021958 |
| 30 | 2334541 |
| 31 | 2682248 |
| 32 | 3068341 |