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5, 6, 8, 13, 14, 24, 26, 31, 32, 34, 51, 54, 57, 62, 69, 82, 83, 93, 99, 113, 114, 119, 125, 132, 133, 139, 143, 145, 151, 161, 165, 181, 182, 192, 195, 212, 217, 219, 224, 233, 266, 282, 293, 295, 304, 311, 312, 318, 325, 338, 354, 364, 369, 375, 376, 382
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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c = Select[Range@ 500, CompositeQ]; a = {1, 4}; Do[k = 6; While[Or[PrimeQ@ k, MemberQ[a, k], CoprimeQ[a[[i - 1]], k]], k++]; AppendTo[a, k], {i, 3, Length@ c}]; Flatten@ Position[Union /@ Transpose@ {a, c}, w_ /; Length@ w == 1] (* Michael De Vlieger, Sep 01 2016 *)
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PROG
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(Haskell)
a276374 n = a276374_list !! (n - 1)
a276374_list = filter (\i -> a240024 i == a002808 i) [1..]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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