# A130186 (b-file synthesized from sequence entry)
0 1
1 20
2 508
3 17400
4 788688
5 46032768
6 3372731136
7 303444195840
8 32898989030400
9 4229445205094400
10 635789661109862400
11 110396039984094412800
12 21901378996153294848000
13 4915686113045739601920000