# A020552 (b-file synthesized from sequence entry)
0 8
1 8
2 70
3 8658
4 8017992
5 24890112360
6 193493256194160
7 3252016576198671120
8 106562062650700726392960
9 6292383222170114916877376640
10 629238322198088740255039498886400
11 101339461028293861001169787158647750400