# A028151 (b-file synthesized from sequence entry)
0 1
1 32
2 657
3 11056
4 166481
5 2339904
6 31427089
7 409158992
8 5211577041
9 65347755616
10 810110258321
11 9959365988208
12 121687051820881
13 1480042546391168
14 17940274040148753
15 216912236044745104
16 2617684898381621201
17 31545404154807718560
18 379747317765849488785