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 | 8 |
| 3 | 24 |
| 4 | 48 |
| 5 | 120 |
| 6 | 168 |
| 7 | 288 |
| 8 | 360 |
| 9 | 528 |
| 10 | 840 |
| 11 | 960 |
| 12 | 1368 |
| 13 | 1680 |
| 14 | 1848 |
| 15 | 2208 |
| 16 | 2808 |
| 17 | 3480 |
| 18 | 3720 |
| 19 | 4488 |
| 20 | 5040 |
| 21 | 5328 |
| 22 | 6240 |
| 23 | 6888 |
| 24 | 7920 |
| 25 | 9408 |
| 26 | 10200 |
| 27 | 10608 |
| 28 | 11448 |
| 29 | 11880 |
| 30 | 12768 |
| 31 | 16128 |
| 32 | 17160 |
| 33 | 18768 |
| 34 | 19320 |
| 35 | 22200 |
| 36 | 22800 |
| 37 | 24648 |
| 38 | 26568 |
| 39 | 27888 |
| 40 | 29928 |