Recent content by space_borscht

Thanks! I'm going to try it out and see where I end up.

Hi, I've tried everything I know. There has to be some fundamental aspect of these types of arrangements that I just don't comprehend. This is about as far as I get: It's obvious that only unique combinations are being quantified. Therefore, 12345 is the same as 54321. But let us add...

Homework Statement Two n-digit integers (leading zeros allowed) are considered equivalent if one is a rearrangement of the other. (For example, 12033, 20331, and 01332 are considered equivalent five-digit integers.) If the digits 1, 3, and 7 can appear at most once, how many nonequivalent...