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 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 14 |
| 8 | 25 |
| 9 | 44 |
| 10 | 79 |
| 11 | 144 |
| 12 | 264 |
| 13 | 487 |
| 14 | 905 |
| 15 | 1689 |
| 16 | 3167 |
| 17 | 5962 |
| 18 | 11261 |
| 19 | 21337 |
| 20 | 40540 |
| 21 | 77219 |
| 22 | 147418 |
| 23 | 282017 |
| 24 | 540533 |
| 25 | 1037823 |
| 26 | 1995814 |
| 27 | 3843790 |
| 28 | 7413023 |
| 29 | 14314803 |
| 30 | 27675286 |
| 31 | 53565070 |
| 32 | 103782323 |
| 33 | 201274808 |
| 34 | 390709922 |
| 35 | 759093562 |