n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 144 |
3 | 14400 |
4 | 2822400 |
5 | 914457600 |
6 | 442597478400 |
7 | 299195895398400 |
8 | 269276305858560000 |
9 | 311283409572495360000 |
10 | 449493243422683299840000 |
11 | 792906081397613340917760000 |
12 | 1677789268237349829381980160000 |
13 | 4194473170593374573454950400000000 |
14 | 12231083765450280256194635366400000000 |
[1,4,144,14400,2822400,914457600,442597478400, 299195895398400,269276305858560000, 311283409572495360000,449493243422683299840000, 792906081397613340917760000, 1677789268237349829381980160000, 4194473170593374573454950400000000, 12231083765450280256194635366400000000] |