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A155211
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Numbers n such that n^4+(n+1)^4 is a prime.
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13
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1, 2, 3, 4, 6, 8, 9, 12, 13, 14, 16, 25, 26, 27, 31, 33, 34, 36, 37, 38, 40, 43, 48, 54, 63, 67, 68, 72, 74, 78, 82, 87, 88, 89, 97, 98, 104, 105, 109, 110, 111, 119, 121, 122, 123, 129, 145, 156, 157, 162, 163, 166, 167, 172, 173, 179, 180, 182, 184, 186, 187, 189, 195
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Select[Range[200], PrimeQ[#^4+(#+1)^4]&] (* Harvey P. Dale, Jun 15 2013 *)
Position[Total/@Partition[Range[200]^4, 2, 1], _?PrimeQ]//Flatten (* Harvey P. Dale, Sep 20 2023 *)
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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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