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 | 5 |
| 4 | 9 |
| 5 | 16 |
| 6 | 29 |
| 7 | 54 |
| 8 | 97 |
| 9 | 180 |
| 10 | 337 |
| 11 | 633 |
| 12 | 1197 |
| 13 | 2280 |
| 14 | 4357 |
| 15 | 8363 |
| 16 | 16096 |
| 17 | 31064 |
| 18 | 60108 |
| 19 | 116555 |
| 20 | 226419 |
| 21 | 440616 |
| 22 | 858696 |
| 23 | 1675603 |
| 24 | 3273643 |
| 25 | 6402706 |
| 26 | 12534812 |
| 27 | 24561934 |
| 28 | 48168461 |
| 29 | 94534626 |
| 30 | 185661958 |
| 31 | 364869032 |
| 32 | 717484560 |
| 33 | 1411667114 |
| 34 | 2778945873 |
| 35 | 5473203125 |