a(n) = floor(3^(1/2)*10^n)^2.A114762a(n) = floor(3^(1/2)*10^n)^2.Terms a(0) =1a(1) =289a(2) =29929a(3) =2999824a(4) =299982400a(5) =29999972025External referencesoeis: A114762