# A167144 (b-file synthesized from sequence entry)
0 1
1 4
2 14
3 70
4 503
5 4898
6 60517
7 899764
8 15496561
9 301137820
10 6483583802
11 152689979223
12 3896718655702
13 107010852239903
14 3144913162405021
15 98469727935174977
16 3272516761148911378
17 115063890523670839944