7 Sep
2018
7 Sep
'18
8:47 p.m.
Cute! How do you prove this? How did you notice it? Jim Propp On Friday, September 7, 2018, David Wilson <davidwwilson@comcast.net> wrote:
a = 12|[32876712]^k b = [32876712]^k|33 => a^2 + b^2 = a|b
Examples
12^2 + 33^2 = 1233 1232876712^2 + 3287671233^2 = 12328767123287671233 &c
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