# A135870 (b-file synthesized from sequence entry)
0 1
1 2
2 13
3 246
4 13554
5 2210436
6 1076561037
7 1570714992558
8 6871883750090694
9 90179738434097457084
10 3550105797469080332658354
11 419263945026939228053105930844
12 148543119421079567735277052592081220