n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 40320 |
9 | 362880 |
10 | 3628800 |
11 | 33022080 |
12 | 277280640 |
13 | 2184341040 |
14 | 16427628720 |
15 | 119892387720 |
16 | 861175365144 |
17 | 6157828055310 |
18 | 44222780245622 |
19 | 321113303226243 |
20 | 2369364111428885 |
21 | 17667206334000068 |
22 | 132553643382927196 |
23 | 997400200347756816 |
[1,1,2,6,24,120,720,5040,40320,362880,3628800, 33022080,277280640,2184341040,16427628720, 119892387720,861175365144,6157828055310, 44222780245622,321113303226243,2369364111428885, 17667206334000068,132553643382927196, 997400200347756816] |