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 | 4 |
| 2 | 5 |
| 3 | 11 |
| 4 | 40 |
| 5 | 124 |
| 6 | 187 |
| 7 | 273 |
| 8 | 313 |
| 9 | 505 |
| 10 | 747 |
| 11 | 751 |
| 12 | 1280 |
| 13 | 1478 |
| 14 | 1563 |
| 15 | 1841 |
| 16 | 2386 |
| 17 | 3130 |
| 18 | 3134 |
| 19 | 4196 |
| 20 | 4493 |
| 21 | 4497 |
| 22 | 5455 |
| 23 | 6002 |
| 24 | 6877 |
| 25 | 8158 |
| 26 | 9047 |
| 27 | 9276 |
| 28 | 10190 |
| 29 | 10194 |
| 30 | 11157 |
| 31 | 14182 |
| 32 | 15086 |
| 33 | 16762 |
| 34 | 16766 |
| 35 | 19758 |
| 36 | 20051 |
| 37 | 21749 |
| 38 | 23435 |
| 39 | 24601 |
| 40 | 26398 |
| 41 | 28655 |
| 42 | 28659 |
| 43 | 32636 |