# A016172 (b-file synthesized from sequence entry)
0 1
1 15
2 171
3 1755
4 17091
5 161595
6 1501011
7 13789035
8 125780931
9 1142106075
10 10339420851
11 93417584715
12 842935044771
13 7599476096955
14 68473649036691
15 616733026314795
16 5553418346740611
17 49997691780110235