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 | 4 |
| 2 | 8 |
| 3 | 16 |
| 4 | 32 |
| 5 | 68 |
| 6 | 248 |
| 7 | 268 |
| 8 | 544 |
| 9 | 1328 |
| 10 | 4216 |
| 11 | 4768 |
| 12 | 9112 |
| 13 | 9376 |
| 14 | 12664 |
| 15 | 20128 |
| 16 | 22112 |
| 17 | 24536 |
| 18 | 25544 |
| 19 | 30488 |
| 20 | 43262 |
| 21 | 61574 |
| 22 | 125792 |
| 23 | 148004 |
| 24 | 304792 |
| 25 | 398248 |
| 26 | 493646 |
| 27 | 648848 |
| 28 | 913456 |
| 29 | 1036664 |
| 30 | 1975784 |
| 31 | 2350792 |
| 32 | 3672454 |
| 33 | 4248488 |
| 34 | 5422688 |
| 35 | 6318188 |
| 36 | 6768928 |
| 37 | 7079656 |
| 38 | 8560724 |