# A012443 (b-file synthesized from sequence entry)
0 1
1 0
2 -12
3 120
4 -1008
5 -45120
6 -11491392
7 1378925184
8 -443544192768
9 53698137606144
10 -32840379055537152
11 7093049054642411520
12 -6636093887068155801600
13 2065820944848385959936000