# A189780 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 32
5 189
6 1328
7 11019
8 104064
9 1111641
10 13166592
11 172006671
12 2448559104
13 37814647701
14 628513744896
15 11201565483219
16 212867324706816
17 4299987047933745