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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 8 |
| 7 | 16 |
| 8 | 32 |
| 9 | 63 |
| 10 | 125 |
| 11 | 249 |
| 12 | 496 |
| 13 | 988 |
| 14 | 1968 |
| 15 | 3920 |
| 16 | 7808 |
| 17 | 15552 |
| 18 | 30978 |
| 19 | 61705 |
| 20 | 122910 |
| 21 | 244824 |
| 22 | 487664 |
| 23 | 971376 |
| 24 | 1934880 |
| 25 | 3854082 |
| 26 | 7676935 |
| 27 | 15291665 |
| 28 | 30459424 |
| 29 | 60672040 |
| 30 | 120852464 |
| 31 | 240725680 |
| 32 | 479500802 |
| 33 | 955116293 |
| 34 | 1902493446 |
| 35 | 3789571321 |
| 36 | 7548436410 |