# A207880 (b-file synthesized from sequence entry)
1 2
2 16
3 82
4 575
5 4387
6 33631
7 618202
8 12501427
9 214612008
10 11062960730
11 657453772615
12 25402400315447
13 3733312830860298
14 643896610977129232
15 54640540348513184649
16 23181398334398528895458
17 11714931649831496203623180