Are you sure about the first rule? It doesn't seem necessary according to https://oeis.org/A014575.
The problem is really fun.
Since I created the problem series and want the Functions I badge, I thought I'd provide the solution that incorporates vampire_factor and are_fangs. Not a great score, but readable!
Sorry, I mean the Magic Numbers badge.
Select every other element of a vector
Tic Tac Toe FTW
Increment a number, given its digits
Construct an index vector from two input vectors in vectorized fashion
Create a two dimensional zero matrix
Negation the hard way
Multivariate polynomials - sort monomials
Multivariate polynomials - overload multiplication
Product of two multivariate polynomials
Multivariate polynomials - emulate symbolic form
Find the treasures in MATLAB Central and discover how the community can help you!
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office