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 | 120 |
| 2 | 480 |
| 3 | 1344 |
| 4 | 3072 |
| 5 | 6144 |
| 6 | 11160 |
| 7 | 18840 |
| 8 | 30024 |
| 9 | 45672 |
| 10 | 66864 |
| 11 | 94800 |
| 12 | 130800 |
| 13 | 176304 |
| 14 | 232872 |
| 15 | 302184 |
| 16 | 386040 |
| 17 | 486360 |
| 18 | 605184 |
| 19 | 744672 |
| 20 | 907104 |
| 21 | 1094880 |
| 22 | 1310520 |
| 23 | 1556664 |
| 24 | 1836072 |
| 25 | 2151624 |
| 26 | 2506320 |
| 27 | 2903280 |
| 28 | 3345744 |
| 29 | 3837072 |