# A222588 (b-file synthesized from sequence entry) 0 65 1 511 2 1025 3 2047 4 4097 5 16385 6 32767 7 262145 8 1048577 9 2097151 10 4194305 11 8388607 12 16777217 13 33554431 14 67108865 15 134217727 16 268435457 17 536870911 18 1073741825 19 4294967297 20 8589934591 21 17179869185 22 34359738367 23 68719476737 24 137438953471 25 274877906945