# A126536 (b-file synthesized from sequence entry)
0 1
1 15
2 135
3 1265
4 11945
5 112969
6 1068723
7 10111095
8 95661377
9 905057497
10 8562802623
11 81013191559
12 766470702689
13 7251625683041
14 68608069306975
15 649105094579799
16 6141222571633425
17 58102478303643985
18 549711062520950431