# A372683 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 10 4 17 5 33 6 65 7 129 8 257 9 514 10 1027 11 2049 12 4097 13 8193 14 16385 15 32770 16 65537 17 131073 18 262145 19 524289 20 1048577 21 2097154 22 4194305 23 8388609 24 16777217 25 33554433 26 67108865 27 134217730 28 268435457 29 536870913 30 1073741826 31 2147483649 32 4294967297 33 8589934594