# A109213 (b-file synthesized from sequence entry)
1 1
2 2
3 2
4 4
5 8
6 32
7 184
8 15392
9 5400584
10 74651892640
11 25003708306137848
12 6335942056759761366725617280
13 20682199297864337408779128828731176793076928