n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 144 |
6 | 864 |
7 | 6048 |
8 | 48384 |
9 | 475776 |
10 | 4902912 |
11 | 53932032 |
12 | 647184384 |
13 | 8892398592 |
14 | 126430875648 |
15 | 1906924529664 |
16 | 30510792474624 |
17 | 539606261956608 |
18 | 9890452422918144 |
19 | 188459240926150656 |
20 | 3773077461736095744 |
21 | 81667528704634650624 |
22 | 1819516013302975561728 |
[1,1,2,6,24,144,864,6048,48384,475776,4902912, 53932032,647184384,8892398592,126430875648, 1906924529664,30510792474624,539606261956608, 9890452422918144,188459240926150656, 3773077461736095744,81667528704634650624, 1819516013302975561728] |