Fibonacci-Like Behavior of the Number of Numerical Semigroups of a Given Genus

Abstract

We conjecture a Fibonacci-like property on the number of numerical semigroups of a given genus. Moreover we conjecture that the associated quotient sequence approaches the golden ratio. The conjecture is motivated by the results on the number of semigroups of genus at most 50. The Wilf conjecture has also been checked for all numerical semigroups with genus in the same range.

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• Ordinarization numbers of numerical semigroups