# A139247 (b-file synthesized from sequence entry) 1 3 2 6 3 7 4 14 5 28 6 31 7 62 8 124 9 248 10 496 11 127 12 254 13 508 14 1016 15 2032 16 4064 17 8128 18 8191 19 16382 20 32764 21 65528 22 131056 23 262112 24 524224 25 1048448 26 2096896 27 4193792 28 8387584 29 16775168 30 33550336 31 131071 32 262142 33 524284 34 1048568 35 2097136 36 4193792