4. Pythagoras’ “OCTAGONAL” Sums of Squares

Would Pythagoras not have LOVED to see these patterns of his sums of squares? First we stick to his triangles:

Vertical n2 + Horizontal m2
Two Triangles for One Square or Rectangle

Sums ending in 5 are in Yellow Fields
The Yellow Fields are like an ‘Inner Octagon’
And even more inmost are Sums of Last Digit 1
“Pythagoras Revisited” for a Pattern of Octagons
What is the significance of these octagons of Last Digits 3 and 7 with ‘core diamonds’ of Last Digit 1? Individual digits count. And “Prime Digits” 2 3 5 7 especially in their “Digital Entanglement”!

NEXT: 5. Pythagoras’ DIAGONAL Roots of Sums of Squares

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