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A129142
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Start with the empty sequence and append in step k the consecutive numbers 2^k-1 to 2^k+k-2.
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2
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1, 3, 4, 7, 8, 9, 15, 16, 17, 18, 31, 32, 33, 34, 35, 63, 64, 65, 66, 67, 68, 127, 128, 129, 130, 131, 132, 133, 255, 256, 257, 258, 259, 260, 261, 262, 511, 512, 513, 514, 515, 516, 517, 518, 519, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 2047
(list; graph; refs; listen; history; internal format)
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