# A145073 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 44
4 325
5 3110
6 34258
7 436304
8 6246439
9 99637730
10 1747851787
11 33469239848
12 694321125511
13 15513919320368
14 371408549270425
15 9484764686963792
16 257355204923817028
17 7393783957451330630
18 224224270472995407877