login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A201121 Primes of the form 4n^3+9. 1
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 (list; graph; refs; listen; history; text; internal format)
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: A102130 A080186 A287307 * A116153 A116209 A002673

Adjacent sequences:  A201118 A201119 A201120 * A201122 A201123 A201124

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 27 2011

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 24 03:20 EDT 2019. Contains 326260 sequences. (Running on oeis4.)