Talk:Fermat polygonal number theorem
Latest comment: 13 years ago by RobHar in topic Sketchy statement
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Note edit
Does anybody know a proof or a sketch of the proof of this theorem to be added in this article? Or is there a proof available online? --Matikkapoika 20:02, 8 November 2005 (UTC)
- The references now have two references to Nathanson's proof.
Accuracy edit
The article about Lagrange's Four Square Theorem says he proved the case of squares in 1770, not 1772.
Sketchy statement edit
I don't like the phrasing of this theorem: "Every positive integer is a sum of at most n n-polygonal numbers". Clearly 4 = 1 + 1 + 1 + 1 is a counterexample by that 1 is a 3-gonal number. It should be more like "Expressing any positive integer as a sum requires at most n n-gonal numbers."
