Starting from the problem https://www.mathworks.com/matlabcentral/cody/problems/2644-the-ulam-matrix, transform the Ulam Matrix into coordinates to plot the spiral.
and so on...
More test cases. Both are very similar ;-)
Remove the polynomials that have positive real elements of their roots.
Tell me the slope
Given a window, how many subsets of a vector sum positive
The Ulam Matrix
Look and say Conway's sequence
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