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 | 4 |
| 2 | 14 |
| 3 | 40 |
| 4 | 105 |
| 5 | 249 |
| 6 | 562 |
| 7 | 1198 |
| 8 | 2460 |
| 9 | 4865 |
| 10 | 9352 |
| 11 | 17486 |
| 12 | 31973 |
| 13 | 57220 |
| 14 | 100550 |
| 15 | 173665 |
| 16 | 295413 |
| 17 | 495339 |
| 18 | 819900 |
| 19 | 1340655 |
| 20 | 2167825 |
| 21 | 3468579 |
| 22 | 5495908 |
| 23 | 8628080 |
| 24 | 13428945 |
| 25 | 20730689 |
| 26 | 31757174 |
| 27 | 48293585 |
| 28 | 72933885 |
| 29 | 109421095 |
| 30 | 163135433 |
| 31 | 241763735 |
| 32 | 356246552 |