# A125812 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 28
5 204
6 2344
7 43160
8 1291952
9 63647664
10 5218320672
11 719221578080
12 168115994031040
13 67159892835119296
14 46166133463916209792
15 54941957091151982047616
16 113826217192695041078973184