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 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 18 |
| 5 | 150 |
| 6 | 60 |
| 7 | 30 |
| 8 | 22440 |
| 9 | 120360 |
| 10 | 44880 |
| 11 | 5610 |
| 12 | 11730 |
| 13 | 8160 |
| 14 | 473280 |
| 15 | 277440 |
| 16 | 131070 |
| 17 | 548760 |
| 18 | 920040 |
| 19 | 750720 |
| 20 | 440130 |
| 21 | 329970 |
| 22 | 27030 |
| 23 | 5689560 |
| 24 | 522240 |
| 25 | 1020 |
| 26 | 3028890 |
| 27 | 2639760 |
| 28 | 6866130 |
| 29 | 251430 |
| 30 | 134130 |
| 31 | 7481190 |
| 32 | 2390880 |
| 33 | 2664240 |
| 34 | 9926130 |
| 35 | 279480 |
| 36 | 9730290 |