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 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 14 |
| 5 | 27 |
| 6 | 53 |
| 7 | 104 |
| 8 | 206 |
| 9 | 410 |
| 10 | 818 |
| 11 | 1635 |
| 12 | 3269 |
| 13 | 6536 |
| 14 | 13070 |
| 15 | 26139 |
| 16 | 52277 |
| 17 | 104552 |
| 18 | 209102 |
| 19 | 418202 |
| 20 | 836402 |
| 21 | 1672803 |
| 22 | 3345605 |
| 23 | 6691209 |
| 24 | 13382417 |
| 25 | 26764832 |
| 26 | 53529662 |
| 27 | 107059322 |
| 28 | 214118642 |
| 29 | 428237283 |
| 30 | 856474565 |
| 31 | 1712949128 |
| 32 | 3425898254 |
| 33 | 6851796507 |