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 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 5 |
| 5 | 5 |
| 6 | 5 |
| 7 | 5 |
| 8 | 133 |
| 9 | 389 |
| 10 | 901 |
| 11 | 1925 |
| 12 | 3973 |
| 13 | 8069 |
| 14 | 8069 |
| 15 | 24453 |
| 16 | 57221 |
| 17 | 57221 |
| 18 | 188293 |
| 19 | 450437 |
| 20 | 974725 |
| 21 | 974725 |
| 22 | 974725 |
| 23 | 974725 |
| 24 | 974725 |
| 25 | 17751941 |
| 26 | 17751941 |
| 27 | 84860805 |
| 28 | 84860805 |
| 29 | 84860805 |
| 30 | 621731717 |
| 31 | 621731717 |
| 32 | 621731717 |
| 33 | 4916699013 |
| 34 | 4916699013 |