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 | 16 |
| 3 | 48 |
| 4 | 118 |
| 5 | 255 |
| 6 | 503 |
| 7 | 926 |
| 8 | 1614 |
| 9 | 2690 |
| 10 | 4318 |
| 11 | 6712 |
| 12 | 10146 |
| 13 | 14965 |
| 14 | 21597 |
| 15 | 30566 |
| 16 | 42506 |
| 17 | 58176 |
| 18 | 78476 |
| 19 | 104464 |
| 20 | 137374 |
| 21 | 178635 |
| 22 | 229891 |
| 23 | 293022 |
| 24 | 370166 |
| 25 | 463742 |
| 26 | 576474 |
| 27 | 711416 |
| 28 | 871978 |
| 29 | 1061953 |
| 30 | 1285545 |
| 31 | 1547398 |
| 32 | 1852626 |
| 33 | 2206844 |
| 34 | 2616200 |
| 35 | 3087408 |
| 36 | 3627782 |
| 37 | 4245271 |