In mathematics, the nth taxicab number, typically denoted Ta(n) or Taxicab(n), is defined as the smallest number that can be expressed as a sum of two positive 367 more words

## Tags » G H Hardy

#### Real v recreational mathematics

A footnote to my report on Persi Diaconis’ lecture on Martin Gardner.

Persi challenged us to consider the question: Is there a sharp division between “real” mathematics and “recreational” mathematics, and if so, where does it come? 423 more words

#### Patterns of Ideas (Hardy)

Continuing our reader’s notes from *A Mathematician’s Lament*…

This time, quoting G. H. Hardy’s 1940 essay, *A Mathematician’s Apology*: