# A174136 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 10
4 41
5 343
6 6327
7 249995
8 20536020
9 3445474030
10 1169394086932
11 798731069436512
12 1094825607339329108
13 3006942191342795594938
14 16533858553282474307626008
15 181924651566316766693192987410