A186815 Numbers n such that n^2-10 is a prime.

9, 21, 27, 39, 51, 69, 81, 87, 99, 117, 129, 147, 153, 171, 177, 183, 207, 219, 249, 261, 309, 333, 351, 363, 387, 393, 399, 429, 441, 447, 459, 471, 477, 483, 519, 537, 561, 597, 609, 621, 633, 639, 651, 663, 687, 711, 717, 723, 741, 753, 777, 807, 849

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Example

9^2-10=71 prime.

Mathematica

Select[Range[4, 1200], PrimeQ[#^2-10]&]

Prog

(Magma) [n: n in [1..1000] | IsPrime(n^2-10)]; // Vincenzo Librandi, Jul 10 2016

Crossrefs

Cf. A090696, A114273.

Sequence in context: A100490 A173250 A128462 * A106214 A348839 A036316

Adjacent sequences: A186812 A186813 A186814 * A186816 A186817 A186818

Keyword

nonn,easy

Author

Vladimir Joseph Stephan Orlovsky, Feb 27 2011

Status

approved