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 | 8 |
| 2 | 14 |
| 3 | 24 |
| 4 | 42 |
| 5 | 72 |
| 6 | 126 |
| 7 | 216 |
| 8 | 378 |
| 9 | 648 |
| 10 | 1134 |
| 11 | 1944 |
| 12 | 3402 |
| 13 | 5832 |
| 14 | 10206 |
| 15 | 17496 |
| 16 | 30618 |
| 17 | 52488 |
| 18 | 91854 |
| 19 | 157464 |
| 20 | 275562 |
| 21 | 472392 |
| 22 | 826686 |
| 23 | 1417176 |
| 24 | 2480058 |
| 25 | 4251528 |
| 26 | 7440174 |
| 27 | 12754584 |
| 28 | 22320522 |
| 29 | 38263752 |
| 30 | 66961566 |
| 31 | 114791256 |
| 32 | 200884698 |