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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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18
Task/De-Bruijn-sequences/Mathematica/de-bruijn-sequences.math Normal file
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seq = DeBruijnSequence[Range[0, 9], 4];
seq = seq~Join~Take[seq, 3];
Length[seq]
{seq[[;; 130]], seq[[-130 ;;]]}
Complement[
StringDrop[ToString[NumberForm[#, 4, NumberPadding -> {"0", "0"}]],
1] & /@ Range[0, 9999],
Union[StringJoin /@ Partition[ToString /@ seq, 4, 1]]]
seq = Reverse[seq];
Complement[
StringDrop[ToString[NumberForm[#, 4, NumberPadding -> {"0", "0"}]],
1] & /@ Range[0, 9999],
Union[StringJoin /@ Partition[ToString /@ seq, 4, 1]]]
seq[[4444]] = ".";
Complement[
StringDrop[ToString[NumberForm[#, 4, NumberPadding -> {"0", "0"}]],
1] & /@ Range[0, 9999],
Union[StringJoin /@ Partition[ToString /@ seq, 4, 1]]]