A110481 - OEIS

%I #8 Apr 20 2024 10:21:58

%S 4,9,49,289,529,2209,2809,5929,17689,20449,24649,29929,37249,41209,

%T 47089,54289,61009,117649,120409,124609,139129,146689,182329,196249,

%U 208849,243049,277729,332929,339889,499849,588289,667489,677329,717409

%N Squares of the form 5p - 6, where p is prime.

%F a(n) = 5*A110482(n) - 6.

%t Select[Prime[Range[13500]],IntegerQ[Sqrt[5#-6]]&]*5-6 (* _James C. McMahon_, Apr 20 2024 *)

%Y Cf. A110480, A110482.

%K nonn

%O 1,1

%A _Giovanni Teofilatto_, Sep 09 2005

%E Corrected and extended by _Ray Chandler_, Sep 12 2005