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 | 8 |
| 3 | 8 |
| 4 | 16 |
| 5 | 37 |
| 6 | 80 |
| 7 | 156 |
| 8 | 304 |
| 9 | 602 |
| 10 | 1173 |
| 11 | 2290 |
| 12 | 4456 |
| 13 | 8686 |
| 14 | 16892 |
| 15 | 32833 |
| 16 | 63776 |
| 17 | 123864 |
| 18 | 240524 |
| 19 | 467060 |
| 20 | 907061 |
| 21 | 1761894 |
| 22 | 3423164 |
| 23 | 6652706 |
| 24 | 12933280 |
| 25 | 25151787 |
| 26 | 48931280 |
| 27 | 95228360 |
| 28 | 185400336 |
| 29 | 361093444 |
| 30 | 703546005 |
| 31 | 1371282460 |
| 32 | 2673742784 |
| 33 | 5215147858 |