Triangular Numbers http://www.mathematische-basteleien.de/triangularnumber.htm
My view on Triangular Numbers
century, in the time of the religious wars, 666 was connected with the name of Luther
My view on Triangular Numbers
century, in the time of the religious wars, 666 was connected with the name of Luther
Meine Sicht der Dreieckszahlen
triangular number, Polygonal number, 153 (number), 666 (number) Referenzen top (1) Martin