# A104133 (b-file synthesized from sequence entry)
0 1
1 -4
2 160
3 -20800
4 6476800
5 -3946624000
6 4161608704000
7 -6974121256960000
8 17455222222028800000
9 -62226770432344883200000
10 304379186781653598208000000
11 -1982049657077223312916480000000
12 16758824127564135479341219840000000