n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 40320 |
9 | 362880 |
10 | 3991680 |
11 | 87816960 |
12 | 2897959680 |
13 | 127510225920 |
14 | 7013062425600 |
15 | 462862120089600 |
16 | 35640383246899200 |
17 | 3136353725727129600 |
18 | 310499018846985830400 |
19 | 31360400903545568870400 |
[1,2,6,24,120,720,5040,40320,362880,3991680, 87816960,2897959680,127510225920,7013062425600, 462862120089600,35640383246899200, 3136353725727129600,310499018846985830400, 31360400903545568870400] |