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A143844
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Triangle T(n,k) = k^2 read by rows.
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1
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0, 0, 1, 0, 1, 4, 0, 1, 4, 9, 0, 1, 4, 9, 16, 0, 1, 4, 9, 16, 25, 0, 1, 4, 9, 16, 25, 36, 0, 1, 4, 9, 16, 25, 36, 49, 0, 1, 4, 9, 16, 25, 36, 49, 64, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121
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OFFSET
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0,6
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COMMENTS
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This is triangle A133819 with an additional leading column of zeros.
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LINKS
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FORMULA
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G.f.: x*y*(1 + x*y)/((1 - x)*(1 - x*y)^3). - Stefano Spezia, Feb 21 2024
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MATHEMATICA
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Table[Range[0, n]^2, {n, 0, 15}]//Flatten (* Harvey P. Dale, Sep 08 2017 *)
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PROG
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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