# A052802 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 47 4 660 5 12414 6 293552 7 8374806 8 280064600 9 10747277832 10 465597887592 11 22479948822792 12 1197060450322800 13 69699159437088960 14 4405397142701855232 15 300408348609092268144 16 21983809533066553697280