# A072345 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 4 4 1 5 8 6 1 7 16 8 1 9 32 10 1 11 64 12 1 13 128 14 1 15 256 16 1 17 512 18 1 19 1024 20 1 21 2048 22 1 23 4096 24 1 25 8192 26 1 27 16384 28 1 29 32768 30 1 31 65536 32 1 33 131072 34 1 35 262144 36 1 37 524288 38 1 39 1048576 40 1 41 2097152 42 1 43 4194304 44 1 45 8388608 46 1 47 16777216 48 1 49 33554432 50 1 51 67108864 52 1 53 134217728 54 1 55 268435456