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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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4
Task/Hofstadter-Q-sequence/Mathematica/hofstadter-q-sequence-1.math Normal file
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Hofstadter[1] = Hofstadter[2] = 1;
Hofstadter[n_Integer?Positive] := Hofstadter[n] = Block[{$RecursionLimit = Infinity},
Hofstadter[n - Hofstadter[n - 1]] + Hofstadter[n - Hofstadter[n - 2]]
]

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Task/Hofstadter-Q-sequence/Mathematica/hofstadter-q-sequence-2.math Normal file
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Hofstadter /@ Range[10]
{1,1,2,3,3,4,5,5,6,6}
Hofstadter[1000]
502
Count[Differences[Hofstadter /@ Range[100000]], _?Negative]
49798