# A035119 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 18
5 285
6 4680
7 82845
8 1595790
9 33453945
10 760970700
11 18705542625
12 494764058250
13 14023390706325
14 424278354099600
15 13653335491921125
16 465794724725079750
17 16796514560465264625
18 638448710154151396500