# A069868 (b-file synthesized from sequence entry) 1 2 2 16 3 125 4 16 5 32 6 16777216 7 128 8 16777216 9 35184372088832 10 1024 11 34271896307633 12 16777216 13 1490116119384765625 14 182059119829942534144 15 35184372088832 16 3876269050118516845397872321 17 131072 18 14551915228366851806640625 19 1134787999706880954999833295916475119 20 3584859224085422343574104404449462890625