# A177784 (b-file synthesized from sequence entry)
2 1
3 7
4 91
5 1771
6 46376
7 1533939
8 61474519
9 2898753715
10 157366449604
11 9672348219898
12 664226242466073
13 50419551102990876
14 4193002458968329488
15 379189865879906158731
16 37054233830964389244975