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 | 2 |
2 | 6 |
3 | 12 |
4 | 420 |
5 | 840 |
6 | 720720 |
7 | 72201776446800 |
8 | 6676878045498705789701874602220118271269436344024536000 |
9 | 16674490806895842671659008751776385350270324508909651849955453691538889375930032935391666564679008085339616000 |