# A174122 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 18
4 105
5 946
6 12589
7 240482
8 6526289
9 250119330
10 13512676053
11 1027978959346
12 110155994874553
13 16631509898085074
14 3540687511804739837
15 1063409634646294541250
16 450894476653951603096737