n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 16 |
5 | 30 |
6 | 480 |
7 | 840 |
8 | 22080 |
9 | 68040 |
10 | 1088640 |
11 | 3991680 |
12 | 259459200 |
13 | 518918400 |
14 | 16605388800 |
15 | 163459296000 |
16 | 10353459916800 |
17 | 22230464256000 |
18 | 1867358997504000 |
19 | 6758061133824000 |
20 | 648773868847104000 |
21 | 5474029518397440000 |
22 | 122618261212102656000 |
[1,2,3,16,30,480,840,22080,68040,1088640,3991680, 259459200,518918400,16605388800,163459296000, 10353459916800,22230464256000,1867358997504000, 6758061133824000,648773868847104000, 5474029518397440000,122618261212102656000] |