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“Mathematics is the queen of sciences and number theory is the queen of mathematics”*…

 

The Online Encyclopedia of Integer Sequences.  Because.

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* Carl Friedrich Gauss

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As we count ’em up, we might send starry birthday greeting to Erasmus Reinhold; he was born on this date in 1511.  A mathematician and astronomer, Reinhold was considered to be the most influential astronomical pedagogue of his generation. Today, he is probably best known for his carefully calculated set of planetary tables– the first– applying Copernican theory, published in 1551.

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