Properties of Family of 333,667 and Related Numbers/Product with Certain Repetitive Numbers/Historical Note

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Historical Note on Properties of Family of 333,667 and Related Numbers: Product with Certain Repetitive Numbers

This result was reported by David Wells in his Curious and Interesting Numbers of $1986$ as having appeared in articles by H. Grunbaum in Volumes $18$ and $21$ of Scripta Mathematica.

However, this has not been corroborated.


Sources