A polynomial modulo the square of a prime
Published on 02 February 2014 at 04:00 am [Server Time]
Let f(n) = n2 - 3n - 1.
Let p be a prime.
Let R(p) be the smallest positive integer n such that f(n) mod p2 = 0 if such an integer n exists, otherwise R(p) = 0.
Let SR(L) be ∑R(p) for all primes not exceeding L.
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