Least number k which is not a divisor of n such that k^2 - n is a nonsquare powerful number.

Terms

a(0) =3a(1) =11427a(3) =6a(4) =73a(5) =62531004125a(7) =20a(8) =15a(10) =56a(11) =47a(12) =16a(13) =33017a(14) =1138a(15) =68a(16) =23a(17) =19a(18) =762488a(19) =146a(20) =1552808a(21) =47a(22) =6234a(23) =32a(24) =45a(25) =2537a(26) =51700a(27) =54a(28) =426a(29) =83a(30) =34a(31) =40a(32) =3601