# A363584 (b-file synthesized from sequence entry) 1 1 2 3 3 2 4 7 5 15 6 4 7 31 8 63 9 127 10 255 11 5 12 11 13 511 14 1023 15 2047 16 4095 17 6 18 8191 19 16383 20 32767 21 23 22 65535 23 131071 24 8 25 17 26 262143 27 524287 28 1048575 29 2097151 30 4194303 31 8388607 32 16777215 33 9 34 33554431 35 67108863 36 134217727 37 268435455 38 536870911 39 47 40 1073741823 41 2147483647