I loosened the tolerance on the test for s = 2. Increasing the number of primes seems to degrade the accuracy after a certain point, and the result becomes farther from the value listed in sequence A085548 in the Online Encyclopedia of Integer Sequences. This solution should pass now.
Is X a Fibonacci Matrix?
frame of the matrix
Divide elements by sum of elements
Construct finite difference approximations of derivatives
Compute an integral of an exponential function
List prime anagrams of a number
Compute expulsions from the Kimberling shuffle
Compute Khinchin's constant
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