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 | 6 |
| 2 | 210 |
| 3 | 528 |
| 4 | 1680 |
| 5 | 1800 |
| 6 | 5304 |
| 7 | 6930 |
| 8 | 3150 |
| 9 | 4650 |
| 10 | 21000 |
| 11 | 32760 |
| 12 | 69342 |
| 13 | 53550 |
| 14 | 2170560 |
| 15 | 2200200 |
| 16 | 2501070 |
| 17 | 646800 |
| 18 | 4777080 |
| 19 | 4796550 |
| 20 | 11865840 |
| 21 | 12243840 |
| 22 | 12863760 |
| 23 | 18064200 |
| 24 | 30510480 |
| 25 | 3232320 |
| 26 | 66023100 |
| 27 | 70691400 |
| 28 | 47977380 |
| 29 | 144357720 |
| 30 | 185560830 |
| 31 | 156128700 |
| 32 | 320843040 |