You're *very* close with this one. Remember that r is input as a double, not a string.
First N Perfect Squares
Clockwise or Counterclockwise
Given a window, how many subsets of a vector sum positive
Fix the last element of a cell array
Golomb's self-describing sequence (based on Euler 341)
A matrix of extroverts
Some Assembly Required
Community Problem 500!
Return elements unique to either input
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