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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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5
Task/Hofstadter-Figure-Figure-sequences/Mathematica/hofstadter-figure-figure-sequences-1.math Normal file
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ffr[j_] := Module[{R = {1}, S = 2, k = 1},
Do[While[Position[R, S] != {}, S++]; k = k + S; S++;
R = Append[R, k], {n, 1, j - 1}]; R]
ffs[j_] := Differences[ffr[j + 1]]

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Task/Hofstadter-Figure-Figure-sequences/Mathematica/hofstadter-figure-figure-sequences-2.math Normal file
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ffr[10]
(* out *)
{1, 3, 7, 12, 18, 26, 35, 45, 56, 69}

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Task/Hofstadter-Figure-Figure-sequences/Mathematica/hofstadter-figure-figure-sequences-3.math Normal file
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t = Sort[Join[ffr[40], ffs[960]]];
t == Range[1000]
(* out *)
True