[ES] Basado en la espiral de Sacks (comenzando en 1) y una función de mi invención que asigna colores a números naturales > 0 a partir de su descomposición en factores primos.
[EN] Based on the Sacks spiral (starting at 1) and a function of my own invention that assigns colours to natural numbers > 0, based on their prime factorisation.
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