# A127635 (b-file synthesized from sequence entry)
0 1
1 4
2 44
3 1360
4 118864
5 29454720
6 20723316480
7 41430374667264
8 235483137163985920
9 3806579106735674587136
10 175045931960590896961989632
11 22902901668710944230193460535296
12 8527272133354589357030560193109508096