Hofstadter Figure-Figure sequences: Difference between revisions

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=={{header|Mathematica}} ==
=={{header|Mathematica}} / {{header|Wolfram Language}}==


1. Create two functions named ffr and ffs that when given n return R(n) or S(n) respectively.
1. Create two functions named ffr and ffs that when given n return R(n) or S(n) respectively.