# A013381 (b-file synthesized from sequence entry)
0 1
1 -15
2 271
3 -7375
4 215191
5 3148665
6 -2649191089
7 649131707105
8 -146075501268569
9 33189954373043945
10 -7481610904728705249
11 1478339075346879047185
12 -99742476113106129277129