# A012682 (b-file synthesized from sequence entry)
0 2
1 -16
2 440
3 -25856
4 2460448
5 -335955200
6 62060029824
7 -14940576792576
8 4555904588849664
9 -1719063029232504832
10 787080093043649165312
11 -430107147338505961406464
12 276606088476056370612084736