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A051123
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a(n) = Fibonacci(n) OR Fibonacci(n+1).
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4
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1, 1, 3, 3, 7, 13, 13, 29, 55, 55, 127, 217, 249, 505, 891, 1019, 2047, 3645, 6749, 6781, 15087, 28655, 28671, 65521, 111921, 130865, 262003, 458611, 514551, 1047229, 1882877, 3522525, 3538919, 7849959, 14666991, 15719929, 32759801
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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EXAMPLE
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Fibonacci(6) = 8 = 1000_2, Fibonacci(7) = 13 = 1101_2, logical "OR" is 1101_2 = 13, so a(6)=13.
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PROG
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(PARI) a(n) = bitor(fibonacci(n), fibonacci(n+1)); \\ Michel Marcus, Mar 06 2020
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CROSSREFS
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KEYWORD
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nonn,easy,base
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AUTHOR
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EXTENSIONS
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More terms from Robert Lozyniak (11(AT)onna.com)
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STATUS
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approved
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