Consider the number N = 13579111315171921....9991001 made up of consecutive odd numbers. What is the 1000th digit of the number?
Last edited by bobbym (2013-03-03 17:10:54)
In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.