# A307512 (b-file synthesized from sequence entry) 1 3 2 5 3 13 4 17 5 41 6 67 7 197 8 257 9 523 10 1031 11 2069 12 4129 13 8243 14 16451 15 32911 16 65537 17 131479 18 262153 19 524591 20 1048601 21 2097229 22 4194389 23 8388791 24 16777441 25 33554501 26 67108913 27 134217757 28 268435889 29 536871259 30 1073741971 31 2147484949 32 4294967297 33 8589934651 34 17179869827