# A059967 (b-file synthesized from sequence entry)
0 1
1 9
2 117
3 1785
4 29799
5 527085
6 9706503
7 184138713
8 3573805950
9 70625252863
10 1416298046436
11 28748759731965
12 589546754316126
13 12195537924351375
14 254184908607118800
15 5332692942907262361
16 112524941404978156215