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).
Back to basics 5 - Clipboard
Is the Point in a Circle?
Television Screen Dimensions
select the primes of a vector
Make an anonymous function that has variable output
Project Euler: Problem 14 Longest Collatz sequence(harder version)
Successive zeros (harder)
Compute the intersect point of line and plan
Find the maximum two numbers of every column of a matrix
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