# A168930 (b-file synthesized from sequence entry)
0 1
1 13
2 156
3 1872
4 22464
5 269568
6 3234816
7 38817792
8 465813504
9 5589762048
10 67077144576
11 804925734912
12 9659108818944
13 115909305827328
14 1390911669927936
15 16690940039135232
16 200291280469622784