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 | 60 |
| 2 | 326940 |
| 3 | 728700 |
| 4 | 115020 |
| 5 | 375258 |
| 6 | 70920 |
| 7 | 33150 |
| 8 | 297990 |
| 9 | 2340 |
| 10 | 72870 |
| 11 | 858 |
| 12 | 1416210 |
| 13 | 284130 |
| 14 | 78978 |
| 15 | 91368 |
| 16 | 9438 |
| 17 | 5547000 |
| 18 | 767760 |
| 19 | 1182918 |
| 20 | 30468 |
| 21 | 485208 |
| 22 | 60 |
| 23 | 7908810 |
| 24 | 916188 |
| 25 | 21522 |
| 26 | 823968 |
| 27 | 87720 |
| 28 | 390210 |
| 29 | 3252 |
| 30 | 72870 |
| 31 | 7878 |
| 32 | 1823010 |
| 33 | 1179990 |
| 34 | 98010 |
| 35 | 3462 |
| 36 | 7878 |
| 37 | 280590 |
| 38 | 6870 |
| 39 | 60 |
| 40 | 434460 |