# A059430 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 26
4 168
5 1575
6 20355
7 347026
8 7544974
9 203740685
10 6689616195
11 262455558837
12 12125816088194
13 651621526430030
14 40298978168771397
15 2841833840854800621
16 226670892373665762106
17 20303920347033450136016
18 2029489177032856597849714