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 | 0 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 190 |
6 | 1054 |
7 | 10752 |
8 | 81512 |
9 | 964836 |
10 | 10271986 |
11 | 128768090 |
12 | 1692130756 |
13 | 25920268218 |
14 | 373473594246 |
15 | 6417995468640 |
16 | 113429495582192 |
17 | 2067370129203944 |
18 | 40640473402056690 |
19 | 853163776496470734 |
20 | 18080227324013473596 |
21 | 417591451359251698830 |
22 | 9865838382742988603390 |