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 | 1 |
2 | 2 |
3 | 20 |
4 | 345 |
5 | 10104 |
6 | 450450 |
7 | 28480140 |
8 | 2423938845 |
9 | 267208852820 |
10 | 37037118818700 |
11 | 6304443126648900 |
12 | 1292877846962865230 |
13 | 314390193022547991720 |
14 | 89447117243116404721950 |
15 | 29436259549934873636908816 |
16 | 11094961973721205588579579845 |
17 | 4748429366816935180127543967840 |