Number of posts: 2 Age: 15 Location: Dallas,TX Registration date: 2008-08-14
Subject: Combinatorics Sun Sep 07, 2008 10:02 am
How many of the first 100 positive integers are expressible as a sum of three or fewer members of the set {3^0, 3^1, 3^2, 3^3, 3^4} if we are allowed to use the same power more than once. For example, 5 can be represented, but 8 cannot.
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Subject: Combinatorics 
Sun Sep 07, 2008 10:02 am
