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Search: id:A127961
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| 1, 11, 1011, 101011, 10101011, 1010101011, 101010101011, 10101010101011, 1010101010101011, 101010101010101011, 10101010101010101011, 1010101010101010101011, 101010101010101010101011
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OFFSET
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0,2
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EXAMPLE
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A007583(2) = 11, which becomes 1011 when written in binary.
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MATHEMATICA
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Table[FromDigits[IntegerDigits[(2^(2n + 1) + 1)/3, 2]], {n, 0, 14}]
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CROSSREFS
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Cf. A007583.
Sequence in context: A052071 A083816 A004656 this_sequence A127962 A006938 A015511
Adjacent sequences: A127958 A127959 A127960 this_sequence A127962 A127963 A127964
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KEYWORD
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easy,nonn,less
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AUTHOR
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Artur Jasinski (grafix(AT)csl.pl), Feb 09 2007
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EXTENSIONS
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Edited and extended by Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jun 11 2007
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