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) |
---|---|
17 | 331776 |
18 | 5806080 |
19 | 69672960 |
20 | 675578880 |
21 | 5675235840 |
22 | 42832800000 |
23 | 297267224832 |
24 | 1927826369280 |
25 | 11821052680704 |
26 | 69152452363584 |
27 | 388663047288576 |
28 | 2110540207741632 |
29 | 11123834480487936 |
30 | 57120835559901696 |
31 | 286669843226634240 |
32 | 1409843999618778240 |
33 | 6809949521252980992 |