World!Of
Numbers

WON plate
75 |


flash A new palindromic numbers webpage is born.
I am greatly indebted to Jeff Heleen for compiling the first
palindromic heptagonals
As always everyone is invited to extend this listing.

A000075 Prime Curios! Prime Puzzle
Wikipedia 75 Le Nombre 75 Numberland 75














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Patrick De Geest - Belgium - Short Bio - Some Pictures
E-mail address : pdg@worldofnumbers.com