# A208045 (b-file synthesized from sequence entry)
1 1
2 2
3 44
4 1904
5 168096
6 30818432
7 11838995200
8 9578237457408
9 16372889877477376
10 59262411624914853888
11 454901302416508366209024
12 7413673375795915677473636352