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2, 14, 23, 32, 38, 41, 50, 53, 59, 68, 74, 77, 83, 86, 95, 98, 104, 113, 116, 122, 128, 131, 137, 140, 143, 149, 158, 167, 173, 176, 179, 182, 185, 188, 194, 200, 203, 212, 215, 218, 221, 230, 233, 239, 242, 248, 254, 257, 263, 266, 275, 278, 281, 284, 293
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Alternatively: the sequence of the numbers 3*k-1 for all nonprime 2*k-1, k >= 1.
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LINKS
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MATHEMATICA
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Flatten[Table[If[PrimeQ[2*n - 1], {}, 3*n - 1], {n, 1, 100}]]
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CROSSREFS
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KEYWORD
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nonn,easy,less
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AUTHOR
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EXTENSIONS
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The two equivalent definitions separated by the Assoc. Editors of the OEIS, Feb 02 2010
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STATUS
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approved
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