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 | 2 |
3 | 9 |
4 | 64 |
5 | 630 |
6 | 8030 |
7 | 126247 |
8 | 2371612 |
9 | 52026293 |
10 | 1309661828 |
11 | 37318672196 |
12 | 1190672836246 |
13 | 42159850045181 |
14 | 1644546319080848 |
15 | 70233352188006641 |
16 | 3266637689293293616 |
17 | 164720219739258021686 |
18 | 8969422973088951968070 |
19 | 525585300443124229026511 |
20 | 33039986976855724686082476 |