On the Equation x²₁ + x²₂ + x²₃ + x²₄ = N with Variables such that x₁x₂x₃x₄ + 1 is an Almost-Prime

Publicado en línea: 11 mar 2015

Páginas: 1 - 26

Recibido: 22 jun 2014

DOI: https://doi.org/10.2478/tmmp-2014-0015

Palabras clave

Lagrange’s equation, almost-primes

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