Odd Number Theorem (disambiguation)

Odd number theorem ( English odd numbers theorem ) stands for different sets or theories including:

• in astronomy, a statement about the number of images with gravitational lenses, see odd number theorem
• In mathematics, a sentence on square numbers , see Square Number # Formulas_zum_genieren_von_Quadratzahlen

This is a disambiguation page for differentiating between several terms identified with the same word.