Numbers such that floor(a(n)^2 / 5) is a square.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =7a(5) =9a(6) =18a(7) =47a(8) =123a(9) =161a(10) =322a(11) =843a(12) =2207a(13) =2889a(14) =5778a(15) =15127a(16) =39603a(17) =51841a(18) =103682a(19) =271443a(20) =710647a(21) =930249a(22) =1860498a(23) =4870847a(24) =12752043a(25) =16692641a(26) =33385282