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

 

Logo

Many excellent designs for a new banner were submitted. We will use the best of them in rotation.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A201254 Primes of the form 7n^3+5. 1
5, 61, 12101, 19213, 40829, 326597, 518621, 596293, 774149, 1102253, 1229317, 1668301, 4148933, 5450821, 6193157, 6588349, 7428461, 10370813, 12710941, 18396509, 30876613, 45043997, 51109693, 61192717, 72521629, 128798213 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..2300

MATHEMATICA

Select[Table[7n^3+5, {n, 0, 6000}], PrimeQ]

PROG

(MAGMA) [a: n in [0..400] | IsPrime(a) where a is 7*n^3+5]

CROSSREFS

Sequence in context: A000364 A159316 A231798 * A116163 A092823 A152031

Adjacent sequences:  A201251 A201252 A201253 * A201255 A201256 A201257

KEYWORD

nonn,easy

AUTHOR

Vincenzo Librandi, Nov 29 2011

STATUS

approved

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

Content is available under The OEIS End-User License Agreement .

Last modified April 16 06:48 EDT 2014. Contains 240547 sequences.