trureturingGitHub MATHEMATICAL ATLAS

Combinatorics / CONCEPT

Three-column permutation arrays with compatible row orders

Positive-length three-column permutation arrays have count 2+(n+1)(n+2)(n+3)/6.

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The count for every positive length

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Three-column permutation arrays with compatible row ordersThree-column permutation arrayswith compatible row orders
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Lean sourceResearch workspace
Status
Closed
Depth
0
Layer
D5/S3
Domain
Combinatorics
Node ID
D5/S3/Combinatorics/PermutationArrays/DescentLexCount
Repository path
D5/S3/Combinatorics/PermutationArrays/DescentLexCount.lean
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sha256:76a8db6a0f78609b1b9d4a959c8392f2752f2daaddc1930e046e34ce07d0f608
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b52262a023c4db9bb30a128ebfd80ea4ef4c1a53
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37a24ddf3b9983bdabf0acbfd9b32b06c35c28d3

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