OFFSET
1,1
COMMENTS
Numbers n such that (n^2-3)/2 is prime. - Robert Israel, Jan 22 2018
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = SQRT(A109367(n)).
MAPLE
select(t -> isprime((t^2-3)/2), [seq(n, n=1..1000, 2)]); # Robert Israel, Jan 22 2018
MATHEMATICA
Select[Table[(2Prime[n] + 3)^(1/2), {n, 7000}], IntegerQ] (* Ray Chandler, Aug 25 2005 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Giovanni Teofilatto, Aug 22 2005
EXTENSIONS
Extended by Ray Chandler, Aug 25 2005
STATUS
approved