# A016227 (b-file synthesized from sequence entry)
0 1
1 17
2 225
3 2785
4 33761
5 406497
6 4883425
7 58622945
8 703562721
9 8443102177
10 101318624225
11 1215829083105
12 14589971366881
13 175079745881057
14 2100957308486625
15 25211489133495265
16 302537875328566241