Tight universal sums of $m$-gonal numbers

For a positive integer $n$, the set of all integers greater than or equal to $n$ is denoted by $\mathcal T(n)$. A sum of generalized $m$-gonal numbers $g$ is called tight $\mathcal T(n)$-universal if the set of all nonzero integers represented by $g$ is equal to $\mathcal T(n)$. In this article, we prove the existence of a minimal tight $\mathcal T(n)$-universality criterion set for a sum of generalized $m$-gonal numbers for any pair $(m,n)$. To achieve this, we introduce an algorithm giving all candidates for tight $\mathcal T(n)$-universal sums of generalized $m$-gonal numbers for any given pair $(m,n)$. Furthermore, we provide some experimental results on the classification of tight $\mathcal T(n)$-universal sums of generalized $m$-gonal numbers.

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