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 | 840 |
| 2 | 11880 |
| 3 | 12180 |
| 4 | 25080 |
| 5 | 32130 |
| 6 | 67830 |
| 7 | 79170 |
| 8 | 172260 |
| 9 | 282744 |
| 10 | 312840 |
| 11 | 363660 |
| 12 | 569160 |
| 13 | 596904 |
| 14 | 634410 |
| 15 | 696696 |
| 16 | 843780 |
| 17 | 846090 |
| 18 | 959310 |
| 19 | 996840 |
| 20 | 1119690 |
| 21 | 1201560 |
| 22 | 1402440 |
| 23 | 1542840 |
| 24 | 1607340 |
| 25 | 1929312 |
| 26 | 2104440 |
| 27 | 2247210 |
| 28 | 2363790 |
| 29 | 3309240 |
| 30 | 3368040 |
| 31 | 3883680 |