n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 24 |
6 | 0 |
7 | 4 |
8 | 672 |
9 | 358560 |
10 | 1 |
11 | 20 |
12 | 38976 |
13 | 476850240 |
14 | 20911317073920 |
15 | 0 |
16 | 100 |
17 | 3550848 |
18 | 1304813266560 |
19 | 2432400136566865920 |
20 | 15510918113914245120000000 |
21 | 1 |
22 | 620 |
23 | 471899904 |
24 | 6394544826128640 |
25 | 620390024129961834577920 |
26 | 265250998502017388926894080000000 |
27 | 371993135808163790752351286618750976000000 |
[1,0,0,1,2,24,0,4,672,358560,1,20,38976,476850240, 20911317073920,0,100,3550848,1304813266560, 2432400136566865920,15510918113914245120000000,1, 620,471899904,6394544826128640, 620390024129961834577920, 265250998502017388926894080000000, 371993135808163790752351286618750976000000] |