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A224467
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Numbers n such that 27*n+1 is prime.
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2
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4, 6, 10, 14, 16, 18, 20, 28, 30, 34, 48, 54, 58, 60, 66, 74, 76, 80, 84, 88, 94, 96, 98, 108, 110, 114, 118, 128, 130, 136, 138, 144, 146, 150, 154, 166, 170, 180, 184, 186, 188, 198, 206, 214, 230, 236, 238, 240, 258, 264, 268, 278, 280, 284, 286, 296, 300
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OFFSET
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1,1
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LINKS
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EXAMPLE
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27*6 + 1 = 163 which is prime. Hence 6 is in the sequence.
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MAPLE
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isA224467 := proc(n)
isprime(27*n+1) ;
end proc:
for n from 1 to 300 do
if isA224467(n) then
printf("%d, ", n) ;
end if;
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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