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A088759
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Numbers n such that (4n+3)^2 + (4n+2)^2 is prime.
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2
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0, 3, 5, 7, 8, 10, 12, 17, 20, 22, 25, 27, 30, 32, 38, 40, 43, 50, 55, 57, 72, 82, 83, 85, 97, 102, 107, 108, 110, 112, 113, 115, 118, 122, 123, 128, 133, 140, 147, 150, 160, 168, 173, 175, 177, 183, 187, 192, 198, 200, 203, 207, 212, 213, 217, 218, 220, 225, 230
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listen;
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OFFSET
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1,2
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COMMENTS
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Numbers n such that 32n^2+40n+13 is prime.- Vincenzo Librandi, Dec 12 2011
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 1..5000
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MATHEMATICA
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Select[Range[0, 400], PrimeQ[32#^2+40 #+13]&] (* Vincenzo Librandi, Dec 12 2011 *)
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PROG
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(PARI) isA088759(n)=isprime((4*n+3)^2+(4*n+2)^2) [From Michael B. Porter, Apr 15 2010]
(MAGMA) [n: n in [0..300] | IsPrime(32*n^2+40*n+13)]; // Vincenzo Librandi, Dec 12 2011
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CROSSREFS
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Cf. A087872.
Sequence in context: A191230 A191202 A024977 * A195439 A190719 A187224
Adjacent sequences: A088756 A088757 A088758 * A088760 A088761 A088762
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KEYWORD
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nonn,easy
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AUTHOR
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Ray Chandler, Oct 19 2003
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EXTENSIONS
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The first term 0 added by Vincenzo Librandi, Dec 12 2011
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STATUS
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approved
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