# A078159 (b-file synthesized from sequence entry) 1 2 2 3 3 4 4 7 5 10 6 15 7 21 8 31 9 44 10 63 11 89 12 127 13 180 14 255 15 361 16 511 17 723 18 1023 19 1447 20 2047 21 2895 22 4095 23 5791 24 8191 25 11584 26 16383 27 23169 28 32767 29 46339 30 65535 31 92680 32 131071 33 185362 34 262143 35 370726 36 524287 37 741454 38 1048575 39 1482909 40 2097151 41 2965819 42 4194303 43 5931640 44 8388607