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 | 1 |
| 4 | 6 |
| 5 | 13 |
| 6 | 5 |
| 7 | 24 |
| 8 | 55 |
| 9 | 21 |
| 10 | 110 |
| 11 | 201 |
| 12 | 121 |
| 13 | 400 |
| 14 | 795 |
| 15 | 441 |
| 16 | 1510 |
| 17 | 3109 |
| 18 | 6733 |
| 19 | 2616 |
| 20 | 12463 |
| 21 | 28653 |
| 22 | 10974 |
| 23 | 56017 |
| 24 | 102449 |
| 25 | 65312 |
| 26 | 206195 |
| 27 | 402993 |
| 28 | 197062 |
| 29 | 748189 |
| 30 | 1587445 |
| 31 | 3520472 |
| 32 | 1374951 |
| 33 | 6472453 |
| 34 | 14403630 |
| 35 | 7282041 |
| 36 | 26431433 |