# A012553 (b-file synthesized from sequence entry)
0 1
1 0
2 -12
3 -360
4 -4592
5 866880
6 144205248
7 10276506240
8 -1972062209792
9 -1066588240250880
10 -219129099375885312
11 33054966279836497920
12 54554661987210721497088
13 24677742880461438548951040