# A375899 (b-file synthesized from sequence entry) 0 1 1 2 2 12 3 124 4 1846 5 36128 6 879252 7 25637680 8 872159952 9 33933231696 10 1486845891696 11 72473120203680 12 3890486148311040 13 228103117063828992 14 14504759878784601600 15 994346460412330358016 16 73107707092779695687040 17 5738844073788385570644480