A200913 Primes of the form 5n^3-9.

31, 311, 2551, 13711, 53231, 109751, 425911, 486671, 975551, 3180271, 3407351, 3893431, 5955071, 10485751, 10984991, 13719991, 18261311, 25442231, 34294991, 47640631, 67406351, 81935311, 96244151, 129671671, 146090551, 196519991

Offset

1,1

Links

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

Mathematica

Select[Table[5n^3-9, {n, 2, 3500}], PrimeQ]

Prog

(Magma) [a: n in [2..400] | IsPrime(a) where a is 5*n^3-9]

Crossrefs

Sequence in context: A042870 A152033 A125394 * A212235 A126552 A068813

Adjacent sequences: A200910 A200911 A200912 * A200914 A200915 A200916

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 24 2011

Status

approved