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 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 21 |
| 9 | 133 |
| 10 | 432 |
| 11 | 525 |
| 12 | 1200 |
| 13 | 1456 |
| 14 | 1904 |
| 15 | 4774 |
| 16 | 24583 |
| 17 | 281048 |
| 18 | 289820 |
| 19 | 333293 |
| 20 | 420239 |
| 21 | 428752 |
| 22 | 430686 |
| 23 | 437554 |
| 24 | 500380 |
| 25 | 500888 |
| 26 | 736600 |
| 27 | 941578 |
| 28 | 984377 |
| 29 | 1027176 |
| 30 | 1069975 |
| 31 | 1112774 |
| 32 | 1155573 |
| 33 | 1662216 |
| 34 | 1776201 |
| 35 | 2087008 |
| 36 | 3212235 |
| 37 | 7928375 |
| 38 | 8131725 |