# A012202 (b-file synthesized from sequence entry)
0 1
1 -1
2 9
3 -249
4 11953
5 -992401
6 115133433
7 -19289685193
8 4104153335777
9 -1154213252748193
10 390283459641717353
11 -165544701587974757145
12 81456402896849322863505
13 -48584594120969426596224305