November 21st, 2007
Four mathematical illustrations from Wells’ Dictionary of Curious and Interesting Numbers.
“The maximum number of pieces into which a pancake [or pie] can be cut with 6 slices” is 22 (p78):
“By a different division [of the above] the nth centered hexagonal number is equal to 6Tn-1 + 1, where Tn is the nth triangular number” (p100). Here we see a composition using the 3rd triangular number: