login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A201855
Primes of the form 7n^2 - 10.
1
53, 557, 27773, 33317, 52973, 68597, 95813, 151253, 163853, 219293, 250037, 282797, 299933, 373517, 521693, 544877, 617453, 862397, 1081133, 1114397, 1182437, 1217213, 1361357, 1474757, 1592693, 1842173, 2018573, 2063933, 2109797
OFFSET
1,1
LINKS
MATHEMATICA
Select[Table[7n^2-10, {n, 2, 2000}], PrimeQ]
PROG
(Magma) [a: n in [2..500] | IsPrime(a) where a is 7*n^2-10];
CROSSREFS
Sequence in context: A293089 A177120 A165555 * A112749 A245589 A177141
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Dec 06 2011
STATUS
approved