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 | 4 |
| 5 | 5 |
| 6 | 10 |
| 7 | 19 |
| 8 | 36 |
| 9 | 69 |
| 10 | 134 |
| 11 | 263 |
| 12 | 516 |
| 13 | 1013 |
| 14 | 1990 |
| 15 | 3911 |
| 16 | 7688 |
| 17 | 15113 |
| 18 | 29710 |
| 19 | 58407 |
| 20 | 114824 |
| 21 | 225737 |
| 22 | 443786 |
| 23 | 872459 |
| 24 | 1715208 |
| 25 | 3372009 |
| 26 | 6629194 |
| 27 | 13032651 |
| 28 | 25621516 |
| 29 | 50370573 |
| 30 | 99025938 |
| 31 | 194679867 |
| 32 | 382730540 |
| 33 | 752428429 |
| 34 | 1479235342 |
| 35 | 2908100111 |
| 36 | 5717174284 |