# A052200 (b-file synthesized from sequence entry) 0 1 1 64 2 20736 3 16777216 4 25600000000 5 63403380965376 6 232218265089212416 7 1180591620717411303424 8 7958661109946400884391936 9 68719476736000000000000000000 10 739696442014594807059393047166976 11 9711967541295580042210555933809967104 12 152784834199652075368661148843397208866816