# A138176 (b-file synthesized from sequence entry)
0 1
1 -4
2 144
3 -43264
4 106832896
5 -2155963622400
6 354617391605760000
7 -474686810341051524710400
8 5166329306435680284163452174336
9 -456900249341808231214942590547243565056