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A325730
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First term of n-th difference sequence of (floor(k*r)), r = sqrt(1/3), k >= 0.
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2
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0, 1, -2, 4, -8, 16, -31, 56, -91, 126, -126, 0, 462, -1715, 4704, -11319, 25186, -52920, 105840, -201684, 364609, -618772, 964173, -1309574, 1309574, 1, -4970097, 18874639, -52835258, 129107566, -290081057, 612479308, -1227418279, 2343572690, -4261482736
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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Table[First[Differences[Table[Floor[Sqrt[1/3]*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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