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A118360
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Start with 1; repeatedly reverse the digits when the number is written in binary and add 2 to get the next term.
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2
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1, 3, 5, 7, 9, 11, 15, 17, 19, 27, 29, 25, 21, 23, 31, 33, 35, 51, 53, 45, 47, 63, 65, 67, 99, 101, 85, 87, 119, 121, 81, 71, 115, 105, 77, 91, 111, 125, 97, 69, 83, 103, 117, 89, 79, 123, 113, 73, 75, 107, 109, 93, 95, 127, 129, 131, 195, 197, 165, 167, 231
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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EXAMPLE
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After 11 = 11_10 = 1011_2 the next term is 1101_2 + 10_2 = 1111_2 = 15_10 = 15.
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MATHEMATICA
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NestList[FromDigits[Reverse[IntegerDigits[#, 2]], 2]+2&, 1, 70] (* Harvey P. Dale, May 16 2021 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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Jan Nordbotten (Jan.Nordbotten(AT)mi.uib.no), May 16 2006
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STATUS
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approved
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