A201121 Primes of the form 4n^3+9.

13, 41, 509, 1381, 5333, 19661, 32009, 48677, 70313, 119173, 202621, 500009, 780457, 953321, 1098509, 1826141, 2205481, 2725897, 3429509, 3650701, 4121213, 7263401, 8388617, 11453161, 12194509, 21807113, 26578697, 30581501, 35995657

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..3800

Mathematica

Select[Table[4n^3+9, {n, 0, 6000}], PrimeQ]

Prog

(Magma) [a: n in [0..300] | IsPrime(a) where a is 4*n^3+9]

Crossrefs

Sequence in context: A080186 A287307 A332255 * A116153 A116209 A002673

Adjacent sequences: A201118 A201119 A201120 * A201122 A201123 A201124

Keyword

nonn,easy

Author

Vincenzo Librandi, Nov 27 2011

Status

approved