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A325733
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First term of n-th difference sequence of (floor(k*r)), r = 1/2 + sqrt(2), k >= 0.
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2
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1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 0, 11, -77, 363, -1364, 4367, -12375, 31823, -75581, 167959, -352715, 705431, -1352078, 2496167, -4457699, 7728759, -13055444, 21572459, -35072309, 56663099, -92561039, 157073279, -286097759, 572195518, -1251677664
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OFFSET
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1,13
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LINKS
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MATHEMATICA
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Table[First[Differences[Table[Floor[(1/2+Sqrt[2])*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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