# A357174 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 27
4 280
5 5045
6 134136
7 4269223
8 153188176
9 6657007113
10 371930499280
11 25072409219891
12 1872319689314856
13 154583203638018493
14 14784597239881491400
15 1641532369038107170815
16 201617558936011146124576
17 26755058016106471234608017