# A012990 (b-file synthesized from sequence entry)
0 2
1 7
2 25
3 1985
4 14905
5 9006925
6 20012525
7 202749678625
8 -3158018147375
9 14186901874647125
10 -671237145329976875
11 2393939114315833215625
12 -224442506249023480234375
13 829987864326478226455328125