# A083071 (b-file synthesized from sequence entry)
0 1
1 3
2 19
3 173
4 2001
5 28087
6 465011
7 8888889
8 192922993
9 4690709411
10 126370284195
11 3738060156613
12 120478742327009
13 4203359652212463
14 157854212399438371
15 6349779403743490289
16 272416890591642213921
17 12417347368421052631579