# A075473 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 1
4 30
5 653
6 13762
7 304295
8 7251598
9 187783369
10 5287733418
11 161516858963
12 5332258661782
13 189493508862461
14 7219703867130466
15 293780009979371503
16 12721918893479808030
17 584361555380576356625
18 28385640762100638931546