# A064033 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 20 7 1 8 1 9 15876 10 1016255020032 11 1 12 728933458176 13 8670998958336 14 19247673071478783248355557376 15 1714723915100625 16 752711194884611945703392100000000 17 1