The test case result for n=5 seems a tad high.
Tim, that last case is altperm(altperm(5)). I did that to discourage lookup solutions.
Select every other element of a vector
Sum of diagonal of a square matrix
Sum of first n terms of a harmonic progression
Generate a list of composite numbers
List the emirps
Find the nth term in the digit inventory sequence
Count the ways pairs of parentheses can be matched correctly
Compute the largest number possible with the Brussels choice
Find the treasures in MATLAB Central and discover how the community can help you!
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office