A201486 Primes of the form 5n^2 + 8.

13, 53, 613, 853, 1453, 2213, 4813, 6133, 10133, 16253, 19853, 22453, 23813, 37853, 41413, 61613, 63853, 75653, 102253, 114013, 117053, 136133, 146213, 153133, 178613, 186253, 198013, 222613, 253133, 285613, 315013, 320053, 325133

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..5000

Mathematica

Select[Table[5n^2+8, {n, 0, 1000}], PrimeQ]

Prog

(Magma) [a: n in [0..700] | IsPrime(a) where a is 5*n^2+8];

Crossrefs

Sequence in context: A248409 A206444 A156156 * A176617 A254895 A358166

Adjacent sequences: A201483 A201484 A201485 * A201487 A201488 A201489

Keyword

nonn,easy

Author

Vincenzo Librandi, Dec 03 2011

Status

approved