# A277801 (b-file synthesized from sequence entry) 1 -1 2 -1 3 -1 4 1 5 5 6 19 7 47 8 109 9 233 10 483 11 993 12 2011 13 4055 14 8149 15 16337 16 32715 17 65477 18 131011 19 262077 20 524217 21 1048503 22 2097073 23 4194221 24 8388519 25 16777119 26 33554331 27 67108761 28 134217621 29 268435347 30 536870799 31 1073741697 32 2147483517 33 4294967159 34 8589934453 35 17179869035