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A325731
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First term of n-th difference sequence of (floor(k*r)), r = sqrt(2/3), k >= 0.
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2
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0, 1, -1, 1, -1, 0, 5, -20, 55, -125, 250, -450, 725, -1000, 1000, 1, -3642, 13278, -35344, 81720, -174098, 352716, -694904, 1355322, -2652200, 5245956, -10491911, 21097440, -42262518, 83482620, -161013975, 300338820, -536165400, 903201960, -1401448500
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OFFSET
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1,7
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LINKS
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MATHEMATICA
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Table[First[Differences[Table[Floor[Sqrt[2/3]*n], {n, 0, 50}], n]], {n, 1, 50}]
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CROSSREFS
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KEYWORD
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easy,sign
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AUTHOR
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STATUS
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approved
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