# A012061 (b-file synthesized from sequence entry)
0 1
1 1
2 9
3 201
4 7921
5 447281
6 28121145
7 230243001
8 -940995291295
9 -539358796035359
10 -280768914546419735
11 -156059839698555664599
12 -96215805882840361663151
13 -66431831409927100446899439