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A325750
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First term of n-th difference sequence of (floor(r*k)), r = (1+sqrt(3))/2, k >= 0.
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2
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1, 0, 1, -3, 6, -9, 9, 0, -27, 81, -161, 231, -165, -363, 2079, -6435, 16071, -35343, 70686, -130339, 222717, -352715, 515944, -692967, 849299, -950455, 996435, -1042415, 1042415, 0, -6926040, 36515985, -137544209, 436316441, -1233171500, 3195484765
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OFFSET
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1,4
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LINKS
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MATHEMATICA
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Table[First[Differences[Table[Floor[n*(1+sqrt(3))/2)], {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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