A200734 Primes of the form 4*n^3-9.

23, 491, 2039, 8779, 27427, 31991, 97547, 131063, 157207, 171491, 821507, 1257719, 1371991, 1556059, 1620887, 1972147, 2819867, 3114743, 3650683, 3764759, 5619703, 6083491, 7263383, 7812491, 9410539, 13231787, 17643767, 24918007

Offset

1,1

Links

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

Mathematica

Select[Table[4n^3-9, {n, 2, 8000}], PrimeQ]

Prog

(Magma) [a: n in [2..250] | IsPrime(a) where a is 4*n^3-9];

Crossrefs

Sequence in context: A015678 A293083 A014905 * A218715 A133283 A121903

Adjacent sequences: A200731 A200732 A200733 * A200735 A200736 A200737

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 23 2011

Status

approved