# A317307 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 12 5 15 6 31 7 56 8 63 9 127 10 255 11 511 12 992 13 1023 14 2047 15 4095 16 8191 17 16256 18 16383 19 32767 20 65535 21 131071 22 262143 23 524287 24 1048575 25 2097151 26 4194303 27 8388607 28 16777215 29 33554431 30 67100672 31 67108863 32 134217727 33 268435455 34 536870911 35 1073741823 36 2147483647 37 4294967295 38 8589934591 39 17179738112 40 17179869183