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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 11 |
| 6 | 22 |
| 7 | 43 |
| 8 | 79 |
| 9 | 137 |
| 10 | 231 |
| 11 | 397 |
| 12 | 728 |
| 13 | 1444 |
| 14 | 3018 |
| 15 | 6386 |
| 16 | 13278 |
| 17 | 26725 |
| 18 | 51852 |
| 19 | 97243 |
| 20 | 177671 |
| 21 | 320286 |
| 22 | 579371 |
| 23 | 1071226 |
| 24 | 2053626 |
| 25 | 4098627 |
| 26 | 8451288 |
| 27 | 17742649 |
| 28 | 37352435 |
| 29 | 77926452 |
| 30 | 159899767 |
| 31 | 321468048 |
| 32 | 632531039 |
| 33 | 1219295320 |
| 34 | 2308910353 |
| 35 | 4314168202 |