# A009659 (b-file synthesized from sequence entry)
0 1
1 3
2 33
3 571
4 897
5 -2454829
6 -541025183
7 -111302329717
8 -24150003737343
9 -5473538199891421
10 -1184916732110463071
11 -160650662732139980197
12 73044130261960254992001
13 109307715032177255302278131