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 | 526680 |
| 2 | 2106720 |
| 3 | 4037880 |
| 4 | 4555320 |
| 5 | 4772040 |
| 6 | 4924920 |
| 7 | 7785960 |
| 8 | 9988440 |
| 9 | 10330320 |
| 10 | 11051040 |
| 11 | 11843832 |
| 12 | 12525240 |
| 13 | 12809160 |
| 14 | 13093080 |
| 15 | 13933920 |
| 16 | 14348040 |
| 17 | 15222480 |
| 18 | 15513960 |
| 19 | 16576560 |
| 20 | 19634160 |
| 21 | 19677840 |
| 22 | 19764360 |