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1, 2, 6, 7, 9, 12, 24, 27, 45, 69, 93, 114, 129, 132, 159, 210, 225, 270, 294, 357, 402, 414, 420, 432, 474, 585, 630, 651, 744, 855, 1008, 1011, 1170
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Positions of records are in A200948.
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LINKS
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EXAMPLE
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n=5: 5+(1..5)^2=(6,9,13,21,30) all composite and 5+6^2=41 is prime hence a(5)=6.
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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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