User:Borealbear
Revision as of 15:24, 22 April 2021 by Borealbear (talk | contribs)
AIME Qual
Congrats on finding this page! Here's a problem I made: \\ Suppose a positive integer with all digits non-zero is considered \textit{almost unique} if there are fewer than permutations of its digits. For example, is [i]almost unique[/i] since it has permutations,(, , and ), while is not since it has permutations, (, , , , , ). How many \textit{almost unique} numbers less than are there?