Numbers n such that every genus of binary quadratic forms of discriminant -4n consists of a single class and the class number h(-4n) = 4.
A033267
Numbers n such that every genus of binary quadratic forms of discriminant -4n consists of a single class and the class number h(-4n) = 4.
Terms
- a(0) =21a(1) =24a(2) =30a(3) =33a(4) =40a(5) =42a(6) =45a(7) =48a(8) =57a(9) =60a(10) =70a(11) =72a(12) =78a(13) =85a(14) =88a(15) =93a(16) =102a(17) =112a(18) =130a(19) =133a(20) =177a(21) =190a(22) =232a(23) =253
External references
- oeis: A033267