I'm not sure what is the point of eliminating 'ifs'? At any rate they can be easily replaced by e.g. 'while' loops, so in my opinion you should either eliminate both of them or none.
Again, the best way to generate such a sequence is using depth-first search or recursion. By prohibiting the usage of IFs, all solutions are inefficient (because we can't cut the tree, and are forced to follow all branches).
Renaming a field in a structure array
Matrix with different incremental runs
find the maximum element of the matrix
Determine if input is a perfect number
Big Integer Sqrt
Determine if input is a Narcissistic number
Compute the intersect point of line and plan
Find the maximum two numbers of every column of a matrix
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