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 | 252 |
| 2 | 1197 |
| 3 | 2772 |
| 4 | 5292 |
| 5 | 6300 |
| 6 | 10800 |
| 7 | 13440 |
| 8 | 17856 |
| 9 | 66960 |
| 10 | 69120 |
| 11 | 69552 |
| 12 | 78624 |
| 13 | 84240 |
| 14 | 112320 |
| 15 | 122760 |
| 16 | 131040 |
| 17 | 147420 |
| 18 | 155520 |
| 19 | 174096 |
| 20 | 178560 |
| 21 | 194400 |
| 22 | 199584 |
| 23 | 322812 |
| 24 | 349272 |
| 25 | 374976 |
| 26 | 378000 |
| 27 | 446400 |
| 28 | 477603 |
| 29 | 508896 |
| 30 | 524160 |
| 31 | 635040 |
| 32 | 648000 |
| 33 | 648000 |
| 34 | 657720 |
| 35 | 673920 |
| 36 | 725760 |
| 37 | 761400 |
| 38 | 833280 |
| 39 | 890568 |
| 40 | 939600 |