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A128958
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Numbers n such that n^2+(n+1)^3 is prime.
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2
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2, 3, 5, 6, 12, 14, 17, 20, 26, 35, 36, 38, 39, 48, 50, 65, 66, 71, 72, 74, 80, 87, 89, 90, 96, 105, 107, 108, 113, 114, 119, 120, 122, 132, 134, 135, 137, 144, 146, 152, 155, 156, 158, 162, 167, 168, 185, 186, 200, 201, 207, 213, 221, 225, 230, 231, 236, 237, 248
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OFFSET
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1,1
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COMMENTS
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All terms are {0,2} mod 3. - Zak Seidov, Dec 15 2013
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LINKS
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EXAMPLE
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2^2+3^3=31, 3^2+4^3=73, 5^2+6^3=241, 6^2+7^3=379, 12^2+13^3=2341 all primes.
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MATHEMATICA
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Select[Range[0, 300], PrimeQ[ #^2+(#+1)^3]&]
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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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