Duplicate of A067178.

Terms

a(0) =1a(1) =4a(2) =16a(3) =9a(4) =64a(5) =49a(6) =169a(7) =576a(8) =289a(9) =1849a(10) =4489a(11) =3969a(12) =17956a(13) =6889a(14) =27889a(15) =69696a(16) =98596