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A200913 Primes of the form 5n^3-9. 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified November 13 10:16 EST 2019. Contains 329093 sequences. (Running on oeis4.)