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A165784
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a(1)=1. For n >= 2, each a(n) = the decimal equivalent of either a(k)U0Ua(k) or a(k)U1Ua(k), where U denotes concatenation of the binary representations of the arguments, and where k is some positive integer < n. The numbers are arranged in numerical order.
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1
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1, 5, 7, 85, 93, 119, 127, 21845, 21973, 23901, 24029, 30583, 30711, 32639, 32767, 1431655765, 1431688533, 1440044501, 1440077269, 1566399837, 1566432605, 1574788573, 1574821341, 2004318071, 2004350839, 2012706807, 2012739575
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OFFSET
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1,2
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COMMENTS
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Each term is a palindrome when written in base 2.
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LINKS
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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