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Square-free rank of integers

Runs of integers with equally many distinct prime factors

All regular graphs of small odd order are vertex-magic

Strong VMTLs of odd order 2-regular graphs

Graphs which are linked cycles

Graphs which are linked structures

Principal divisor ranks of the first trillion positive integers

Principal rank plateaux in the integers beyond 10¹²

The maximum dimension of a subspace of nilpotent matrices of index 2

Vertex-magic labelings of regular graphs II

Vertex-magic labelings: mutations

Consecutive integers with equally many principal divisors

Cyclic polygons with rational sides and area

Rational tetrahedra with edges in geometric progression

Strong edge-magic graphs of maximum size

Graphs with a given degree sequence

Rational and Heron tetrahedra

Sparse anti-magic squares and vertex-magic labelings of bipartite graphs

Sparse semi-magic squares and vertex-magic labelings

Taxonomy of graphs of order 10

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