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 | 0 |
3 | 0 |
4 | 1 |
5 | 10 |
6 | 65 |
7 | 350 |
8 | 1771 |
9 | 10290 |
10 | 86605 |
11 | 977350 |
12 | 11778041 |
13 | 138208070 |
14 | 1590920695 |
15 | 18895490250 |
16 | 245692484311 |
17 | 3587464083850 |
18 | 57397496312585 |
19 | 966066470023550 |
20 | 16713560617838581 |
21 | 297182550111615630 |
22 | 5500448659383161275 |
23 | 107267326981597659250 |