# A053765 (b-file synthesized from sequence entry) 0 1 1 1 2 16 3 4096 4 16777216 5 1099511627776 6 1152921504606846976 7 19342813113834066795298816 8 5192296858534827628530496329220096 9 22300745198530623141535718272648361505980416