# A179684 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 1
4 5
5 17
6 90
7 542
8 3962
9 33554
10 324489
11 3520885
12 42300709
13 556530474
14 7945317484
15 122145525208
16 2008827010000
17 35143981009968