# A013008 (b-file synthesized from sequence entry)
0 1
1 -4
2 80
3 -4384
4 451328
5 -74726784
6 18162914304
7 -6087614197760
8 2690808196562944
9 -1516485688823611392
10 1061352718471077658624
11 -903110171035290053246976
12 918161695966849718656434176