# A073114 (b-file synthesized from sequence entry)
1 0
2 1
3 4
4 7
5 22
6 160
7 938
8 7261
9 67492
10 572848
11 6774544
12 71929775
13 985400749
14 12521202682
15 188765264950
16 2889019817104
17 47703971114988
18 877662524710517