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) |
|---|---|
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 6 |
| 9 | 13 |
| 10 | 26 |
| 11 | 55 |
| 12 | 112 |
| 13 | 238 |
| 14 | 510 |
| 15 | 1117 |
| 16 | 2498 |
| 17 | 5712 |
| 18 | 13322 |
| 19 | 31643 |
| 20 | 76455 |
| 21 | 187382 |
| 22 | 465393 |
| 23 | 1168966 |
| 24 | 2966298 |
| 25 | 7594035 |
| 26 | 19597653 |
| 27 | 50933434 |
| 28 | 133224112 |
| 29 | 350477003 |
| 30 | 926855665 |
| 31 | 2462830565 |
| 32 | 6572892862 |
| 33 | 17612586165 |
| 34 | 47369774428 |
| 35 | 127841265076 |
| 36 | 346120109957 |