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 | 0 |
| 2 | 105 |
| 3 | 430 |
| 4 | 675 |
| 5 | 705 |
| 6 | 860 |
| 7 | 890 |
| 8 | 920 |
| 9 | 4305 |
| 10 | 5180 |
| 11 | 5600 |
| 12 | 16840 |
| 13 | 27195 |
| 14 | 33860 |
| 15 | 35510 |
| 16 | 42745 |
| 17 | 42925 |
| 18 | 218960 |
| 19 | 259105 |
| 20 | 895275 |
| 21 | 996315 |
| 22 | 1174130 |
| 23 | 1221860 |
| 24 | 1275170 |
| 25 | 1276250 |
| 26 | 1282910 |
| 27 | 1285070 |
| 28 | 1338380 |
| 29 | 1548445 |
| 30 | 1563925 |
| 31 | 1601755 |
| 32 | 1657225 |