# A337949 (b-file synthesized from sequence entry)
0 1
1 3
2 10
3 72
4 1088
5 33792
6 2129920
7 270532608
8 68987912192
9 35253091565568
10 36063981391052800
11 73823005091857170432
12 302305241879952131883008
13 2476182310025664207091924992
14 40567295087381911608444300820480
15 1329268560604123176244654954782916608