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.
Back to basics 11 - Max Integer
Set some matrix elements to zero
frame of the matrix
Solve an ODE: equidimensional equation
Determine aquifer properties: unsteady pump test in a confined aquifer
Investigate the frequency of last digits of prime numbers
Find pairs of primes with the same digit sum
Evaluate the zeta function for real arguments > 1
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