# A085587 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 3 6 2 7 7 8 1 9 7 10 6 11 31 12 4 13 63 14 14 15 15 16 1 17 15 18 14 19 511 20 12 21 63 22 62 23 2047 24 8 25 1023 26 126 27 511 28 28 29 16383 30 30 31 31 32 1 33 31 34 30 35 4095 36 28 37 87381 38 1022 39 4095 40 24 41 1023 42 126 43 127 44 124 45 4095 46 4094 47 8388607 48 16 49 2097151 50 2046 51 255 52 252 53 67108863 54 1022 55 1048575 56 56 57 511 58 32766 59 536870911 60 60