OFFSET
1,1
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[With[{c3=Sqrt[3], c2=Sqrt[2]}, Table[Floor[n (c3 n-1)/c2], {n, 500}]], PrimeQ] (* Harvey P. Dale, May 05 2011 *)
PROG
(PARI) for(n=1, 1e4, if(ispseudoprime(t=floor((n*(sqrt(3)*n-1))/sqrt(2))), print1(t", "))); v \\ Charles R Greathouse IV, Feb 18 2011
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
William A. Tedeschi, Sep 07 2010, typo in definition corrected Sep 09 2010
STATUS
approved