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 | 0 |
| 2 | 1 |
| 3 | 9 |
| 4 | 37 |
| 5 | 111 |
| 6 | 266 |
| 7 | 550 |
| 8 | 1006 |
| 9 | 1744 |
| 10 | 2821 |
| 11 | 4349 |
| 12 | 6405 |
| 13 | 9203 |
| 14 | 12804 |
| 15 | 17418 |
| 16 | 23164 |
| 17 | 30348 |
| 18 | 39023 |
| 19 | 49591 |
| 20 | 62073 |
| 21 | 76997 |
| 22 | 94454 |
| 23 | 114768 |
| 24 | 138054 |
| 25 | 165176 |
| 26 | 196019 |
| 27 | 231085 |
| 28 | 270557 |
| 29 | 315283 |
| 30 | 365102 |
| 31 | 421116 |
| 32 | 482950 |
| 33 | 552092 |
| 34 | 628401 |
| 35 | 712437 |
| 36 | 804509 |
| 37 | 906217 |
| 38 | 1016724 |
| 39 | 1137140 |
| 40 | 1267836 |
| 41 | 1410790 |
| 42 | 1564903 |