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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 12 |
| 6 | 22 |
| 7 | 44 |
| 8 | 88 |
| 9 | 169 |
| 10 | 338 |
| 11 | 676 |
| 12 | 1322 |
| 13 | 2644 |
| 14 | 5288 |
| 15 | 10433 |
| 16 | 20866 |
| 17 | 41732 |
| 18 | 82736 |
| 19 | 165472 |
| 20 | 330944 |
| 21 | 658012 |
| 22 | 1316024 |
| 23 | 2632048 |
| 24 | 5242778 |
| 25 | 10485556 |
| 26 | 20971112 |
| 27 | 41822049 |
| 28 | 83644098 |
| 29 | 167288196 |
| 30 | 333885702 |
| 31 | 667771404 |
| 32 | 1335542808 |
| 33 | 2667053601 |
| 34 | 5334107202 |
| 35 | 10668214404 |