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 | 6 |
| 6 | 9 |
| 7 | 18 |
| 8 | 31 |
| 9 | 61 |
| 10 | 107 |
| 11 | 207 |
| 12 | 378 |
| 13 | 724 |
| 14 | 1333 |
| 15 | 2537 |
| 16 | 4723 |
| 17 | 8938 |
| 18 | 16674 |
| 19 | 31455 |
| 20 | 58805 |
| 21 | 110642 |
| 22 | 206849 |
| 23 | 388444 |
| 24 | 726236 |
| 25 | 1361766 |
| 26 | 2544568 |
| 27 | 4765466 |
| 28 | 8900805 |
| 29 | 16652803 |
| 30 | 31085427 |
| 31 | 58108482 |
| 32 | 108417265 |
| 33 | 202517545 |
| 34 | 377659515 |
| 35 | 704989607 |
| 36 | 1314105907 |
| 37 | 2451689503 |
| 38 | 4568030529 |