# A139246 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 1 5 2 6 4 7 7 8 14 9 1 10 2 11 4 12 8 13 16 14 31 15 62 16 124 17 248 18 1 19 2 20 4 21 8 22 16 23 32 24 64 25 127 26 254 27 508 28 1016 29 2032 30 4064 31 1 32 2 33 4 34 8 35 16 36 32 37 64 38 128 39 256 40 512 41 1024 42 2048 43 4096 44 8191 45 16382 46 32764 47 65528 48 131056 49 262112 50 524224 51 1048448 52 2096896 53 4193792 54 8387584 55 16775168 56 1