# A188406 (b-file synthesized from sequence entry) 0 1 1 1 2 6 3 69 4 1620 5 62781 6 3710272 7 313568636 8 36218801244 9 5518184697792 10 1078258692423672 11 264082675302603684 12 79537577428138854144 13 28988656113108616134732 14 12610397520409429024276176 15 6469939930732195901177163384 16 3874562148530193751600746715440 17 2683567291732998871830525552934800