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A201039 Primes of the form 10n^3-9. 1
71, 631, 21961, 27431, 49121, 68581, 121661, 156241, 393031, 428741, 689201, 851831, 1406071, 1488761, 2621431, 3007621, 4052231, 4930381, 5513671, 5717861, 6360551, 7049681, 7535701, 7786871, 9999991, 11248631, 13309991, 15208741 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..3000

MATHEMATICA

Select[Table[10n^3-9, {n, 1, 4000}], PrimeQ]

PROG

(MAGMA) [a: n in [1..200] | IsPrime(a) where a is 10*n^3-9]

CROSSREFS

Sequence in context: A251390 A251383 A180327 * A142674 A089706 A220623

Adjacent sequences:  A201036 A201037 A201038 * A201040 A201041 A201042

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 27 2011

STATUS

approved

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Last modified June 25 07:53 EDT 2019. Contains 324347 sequences. (Running on oeis4.)