Numbers k such that 27*k+1 is a square.

Terms

a(0) =0a(1) =25a(2) =29a(3) =104a(4) =112a(5) =237a(6) =249a(7) =424a(8) =440a(9) =665a(10) =685a(11) =960a(12) =984a(13) =1309a(14) =1337a(15) =1712a(16) =1744a(17) =2169a(18) =2205a(19) =2680a(20) =2720a(21) =3245a(22) =3289a(23) =3864a(24) =3912a(25) =4537a(26) =4589a(27) =5264a(28) =5320a(29) =6045