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 | 6742008 |
| 2 | 53936064 |
| 3 | 182034216 |
| 4 | 431488512 |
| 5 | 842751000 |
| 6 | 1456273728 |
| 7 | 1581292125 |
| 8 | 2312508744 |
| 9 | 3451908096 |
| 10 | 4914923832 |
| 11 | 6742008000 |
| 12 | 8973612648 |
| 13 | 11395366632 |
| 14 | 11650189824 |
| 15 | 12650337000 |
| 16 | 14812191576 |
| 17 | 18500069952 |
| 18 | 22754277000 |
| 19 | 27615264768 |
| 20 | 33123485304 |
| 21 | 39319390656 |