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) |
---|---|
0 | 1 |
1 | 1 |
2 | 12 |
3 | 1596 |
4 | 2336544 |
5 | 37630041120 |
6 | 6666387564654720 |
7 | 12990902775831251994240 |
8 | 278471536921607824648305285120 |
9 | 65662131721505488121539650946349537280 |
10 | 170310659060181679663863033233125976844488908800 |
11 | 4859161865915056755501262525796512204608930674134393036800 |