Sierpinski triangle.Encyclopaedia Britannica (Universal Images Group via Getty Images) In previous weeks we have seen the surprising relationship of the Tower of Hanoi with Hamiltonian tours, as well as with the legend of the inventor of chess, and the versatile tower still has some surprises in store. For example, its relationship with the Sierpinski triangle, … Read more
Last week we asked ourselves about a formula that would allow us to find the nth tetrahedral number as a function of n without having to add the first n triangular numbers; Here it is (can you prove it?): Tn = n(n + 1)(n + 2)/6 In the case of n = 22: 22 x … Read more
Last week we asked ourselves about a formula that would allow us to find the nth tetrahedral number as a function of n without having to add the first n triangular numbers; Here it is (can you prove it?): Tn = n(n + 1)(n + 2)/6 In the case of n = 22: 22 x … Read more