# A296835 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 33
4 451
5 9110
6 253401
7 9246881
8 427272364
9 24332740569
10 1671761966755
11 136185663849422
12 12966840876896193
13 1425738305622057713
14 179172604156015950676
15 25507107918052543195905
16 4081610970381242583997171
17 729135575105289450378655526