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 | 3 |
3 | 12 |
4 | 42 |
5 | 165 |
6 | 3000 |
7 | 2142 |
8 | 39270 |
9 | 838695 |
10 | 2185092 |
11 | 194467182 |
12 | 649154415 |
13 | 33547795512 |
14 | 40753286805 |
15 | 24563658547425 |
16 | 1364238471026340 |
17 | 2297427262231332 |
18 | 1662166966658270160 |
19 | 783186317937632697 |
20 | 404695317060455732220 |
21 | 162293533192142440777455 |
22 | 634357227813958501290435 |