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15, 51, 85, 91, 255, 435, 451, 561, 595, 771, 1105, 1261, 1285, 1351, 1695, 2091, 2431, 2465, 3655, 3855, 4369, 4795, 5083, 5151, 5383, 6601, 6643, 6735, 7051, 8245, 8481, 8695, 8911, 8995, 9061, 9605, 10585, 11155, 13107, 15051, 15211, 16405, 16705, 17733, 18721, 19669, 20451, 21845, 22359, 23001, 26335, 28645
(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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LINKS
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PROG
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(PARI)
isA339880(n) = (bitand(n, 1)&&(n>1)&&!isprime(n)&&!((n-1)%A000265(eulerphi(n))));
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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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