n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 26 |
4 | 426 |
5 | 11064 |
6 | 413640 |
7 | 20946960 |
8 | 1377648720 |
9 | 114078384000 |
10 | 11611761920640 |
11 | 1425189271161600 |
12 | 207609729886944000 |
13 | 35419018603306060800 |
14 | 6996657393055480550400 |
15 | 1584616114318716544665600 |
16 | 407930516160959891683584000 |
17 | 118458533875304716189544448000 |
[1,3,26,426,11064,413640,20946960,1377648720, 114078384000,11611761920640,1425189271161600, 207609729886944000,35419018603306060800, 6996657393055480550400,1584616114318716544665600, 407930516160959891683584000, 118458533875304716189544448000] |