Programming Praxis

[ I’ve had a couple of readers ask where I have been. I put in my retirement papers at work a few months ago, and will retire at the end of 2021. That sounds good, but setting up my post-retirement finances, learning about Medicare (it’s a huge mess) and deciding what to do with the rest of my life has been exhausting, and I still have a job to do. Here’s a simple exercise; I’ll try to be more regular about posting in future weeks. — Phil ]

Your task is to write a program to generate Motzkin Numbers (A001006). If you don’t like Motzkin numbers, pick any other sequence from the OEIS. When you are finished, you are welcome to read or run a suggested solution, or to post your own solution or discuss the exercise in the comments below.

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