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 | 30 |
2 | 510 |
3 | 6460 |
4 | 67830 |
5 | 624036 |
6 | 5200300 |
7 | 40116600 |
8 | 290845350 |
9 | 2003601300 |
10 | 13223768580 |
11 | 84151254600 |
12 | 518932736700 |
13 | 3113596420200 |
14 | 18236779032600 |
15 | 104557533120240 |
16 | 588136123801350 |
17 | 3252046802195700 |
18 | 17705588145287700 |
19 | 95051052148386600 |
20 | 503770576386448980 |