# A218683 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 69
4 1432
5 52065
6 3202176
7 324172597
8 53099867136
9 13888279032129
10 5736880791449920
11 3710252136325373661
12 3729910949734728414624
13 5792791811385586637686849
14 13826260704559808415109532256
15 50488064853691920270244556417445