# A052127 (b-file synthesized from sequence entry) 0 1 1 1 2 8 3 96 4 2112 5 68160 6 3087360 7 185633280 8 14301020160 9 1372232171520 10 160390869811200 11 22426206024499200 12 3695148753459609600 13 708443854690399027200 14 156340439420689081958400 15 39342248735234589720576000 16 11197266840049016358567936000