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 | 2 |
2 | 4 |
3 | 12 |
4 | 48 |
5 | 288 |
6 | 2592 |
7 | 36288 |
8 | 798336 |
9 | 27941760 |
10 | 1564738560 |
11 | 140826470400 |
12 | 20419838208000 |
13 | 4778242140672000 |
14 | 1806175529174016000 |
15 | 1103573248325323776000 |
16 | 1090330369345419890688000 |
17 | 1742347930213980985319424000 |
18 | 4503969399603140847050711040000 |