# A153523 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 22
4 132
5 1204
6 13768
7 244089
8 6352095
9 232890454
10 12491887452
11 974287563383
12 109587446419665
13 17874622451841230
14 4227153018169110373
15 1447295404720506832342
16 717895790307321893024403