n | a(n) |
---|---|
1 | 1 |
2 | 11 |
3 | 89 |
4 | 794 |
5 | 6994 |
6 | 72204 |
7 | 753108 |
8 | 8973264 |
9 | 111281616 |
10 | 1524322080 |
11 | 21601104480 |
12 | 340803192960 |
13 | 5483287025280 |
14 | 96044874750720 |
15 | 1748238132614400 |
16 | 34093033838438400 |
17 | 682396164763084800 |
18 | 14706429413353574400 |
19 | 323342442475011993600 |
20 | 7585740483060676608000 |
[1,11,89,794,6994,72204,753108,8973264,111281616, 1524322080,21601104480,340803192960,5483287025280, 96044874750720,1748238132614400,34093033838438400, 682396164763084800,14706429413353574400, 323342442475011993600,7585740483060676608000] |