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) |
|---|---|
| 5 | 30 |
| 6 | 180 |
| 7 | 630 |
| 8 | 1680 |
| 9 | 3780 |
| 10 | 7560 |
| 11 | 13860 |
| 12 | 23760 |
| 13 | 38610 |
| 14 | 60060 |
| 15 | 90090 |
| 16 | 131040 |
| 17 | 185640 |
| 18 | 257040 |
| 19 | 348840 |
| 20 | 465120 |
| 21 | 610470 |
| 22 | 790020 |
| 23 | 1009470 |
| 24 | 1275120 |
| 25 | 1593900 |
| 26 | 1973400 |
| 27 | 2421900 |
| 28 | 2948400 |
| 29 | 3562650 |
| 30 | 4275180 |
| 31 | 5097330 |
| 32 | 6041280 |
| 33 | 7120080 |
| 34 | 8347680 |
| 35 | 9738960 |
| 36 | 11309760 |
| 37 | 13076910 |