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A206035
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a(n) = floor(10*(A064413(n) - n)/n).
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0
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0, 0, 3, 5, -4, 5, 7, 0, 1, -5, 3, 5, 0, -5, 4, 5, -1, 1, 1, -5, 5, 2, 3, 0, 4, 0, -1, -6, 3, 2, 0, 0, -5, 5, 2, 0, -5, 5, 1, 0, 0, 0, -5, 5, 0, 0, 1, 1, 1, -1, 2, 1, 0, 2, 2, 0, -5, 5, 1, 0, -5, 5, 1, 0, 0, 1, -5, 6, 0
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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a = Nest[Block[{lst = Last[#]}, Join[#, Cases[Complement[Range[lst^2], #], n_ /; GCD[lst, n] > 1, 1, 1]]] &, {1, 2}, 123]; (* Peter Pein's EKG code *)
b = Table[Floor[10*(a[[n]] - n)/n], {n, 1, Length[a]}]
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CROSSREFS
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KEYWORD
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sign,less
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AUTHOR
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STATUS
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approved
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