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 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 4 |
| 4 | 14 |
| 5 | 18 |
| 6 | 65 |
| 7 | 82 |
| 8 | 253 |
| 9 | 378 |
| 10 | 953 |
| 11 | 1460 |
| 12 | 3667 |
| 13 | 5480 |
| 14 | 12917 |
| 15 | 20582 |
| 16 | 45130 |
| 17 | 71970 |
| 18 | 156510 |
| 19 | 248020 |
| 20 | 524446 |
| 21 | 846962 |
| 22 | 1733252 |
| 23 | 2806484 |
| 24 | 5702101 |
| 25 | 9186010 |
| 26 | 18375867 |
| 27 | 29872508 |
| 28 | 58760991 |
| 29 | 95500008 |
| 30 | 186871472 |
| 31 | 302966474 |
| 32 | 587603027 |
| 33 | 956192230 |