Top network posts

• 30 Surprising identities / equations
• 25 Is there an online encyclopedia of Diophantine equations (OEDE)?
• 21 Does this system of simultaneous Pell-like equations have any non-trivial positive integer solutions?
• 19 Does an elementary solution exist to $x^2+1=y^3$?
• 17 Finding integer points on elliptic curves via divisibility conditions like $(a+b)^2 \mid (2b^3+6ab^2-1)$
• 15 Are [Wieferich] primes the only solutions to the equation $2^{k-1} \equiv 1 \pmod{k^2}$?
• 13 A Pell equation inside a Pell equation
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