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 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 6 |
| 5 | 4 |
| 6 | 15 |
| 7 | 88 |
| 8 | 220 |
| 9 | 304 |
| 10 | 250 |
| 11 | 120 |
| 12 | 28 |
| 13 | 1025 |
| 14 | 7308 |
| 15 | 23234 |
| 16 | 43420 |
| 17 | 52880 |
| 18 | 43880 |
| 19 | 25088 |
| 20 | 9680 |
| 21 | 2340 |
| 22 | 280 |
| 23 | 209135 |
| 24 | 1691024 |
| 25 | 6237520 |
| 26 | 13911400 |
| 27 | 20956610 |
| 28 | 22549360 |
| 29 | 17853780 |
| 30 | 10541440 |
| 31 | 4639740 |
| 32 | 1498280 |
| 33 | 341000 |
| 34 | 49920 |
| 35 | 3640 |
| 36 | 100482849 |