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A154356
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Primes of the form 25n^2-14n+2 for n >= 0.
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0
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2, 13, 557, 1129, 1901, 5417, 8761, 10733, 15277, 23593, 30137, 41453, 59341, 74857, 80429, 86201, 92173, 104717, 118061, 179437, 253613, 284729, 306473, 352361, 364333, 414221, 453737, 523597, 598457, 798521, 1068329, 1217933, 1285049
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| a(8)=10733 corresponds to n=21, therefore 10733=(3*21-1)^2+(4*21-1)^2=62^2+83^2 (see second comment in A154357). - Bruno Berselli, Dec 14 2011
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MATHEMATICA
| Join[{2}, Select[Table[25n^2-14n+2, {n, 500}], PrimeQ]] (* From Harvey P. Dale, May 15 2011 *)
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PROG
| (MAGMA) [ a: n in [0..400] | IsPrime(a) where a is 25*n^2-14*n+2];
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CROSSREFS
| Cf. A154357.
Sequence in context: A132570 A013048 A012981 * A013111 A179434 A101342
Adjacent sequences: A154353 A154354 A154355 * A154357 A154358 A154359
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KEYWORD
| nonn,easy
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AUTHOR
| Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 07 2009
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EXTENSIONS
| Edited by Robert Hochberg, Jun 21 2010
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