This series reminded me of a Numberphile video: https://youtu.be/vNTSugyS038
It is a good idea to apply an upper bound! It seems that the upBound becomes an underestimate of the upper bound for test case 2.
Yes, I was looking for something cody-friendly :). I forgot it works in this form iff gcd(n(1),n(2))==1.
Distance walked 1D
Factorize THIS, buddy
Back to basics 9 - Indexed References
Create a matrix from a cell
Unique values without using UNIQUE function
Matrix of Multiplication Facts
Still more miles to go before I sleep
Singularity v5 (with apologies to the true hack masters)
Some Assembly Required
Exponents in Factorials
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