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) |
|---|---|
| 2 | 0 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 35 |
| 9 | 35 |
| 10 | 163 |
| 11 | 163 |
| 12 | 675 |
| 13 | 1699 |
| 14 | 1699 |
| 15 | 1699 |
| 16 | 9891 |
| 17 | 9891 |
| 18 | 42659 |
| 19 | 42659 |
| 20 | 42659 |
| 21 | 304803 |
| 22 | 304803 |
| 23 | 304803 |
| 24 | 304803 |
| 25 | 4499107 |
| 26 | 4499107 |
| 27 | 21276323 |
| 28 | 21276323 |
| 29 | 21276323 |
| 30 | 155494051 |
| 31 | 423929507 |
| 32 | 423929507 |
| 33 | 1497671331 |
| 34 | 1497671331 |
| 35 | 1497671331 |
| 36 | 10087605923 |