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A025085
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s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = A001950 (upper Wythoff sequence).
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0
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0, 5, 7, 17, 23, 48, 59, 107, 124, 218, 250, 424, 474, 790, 883, 1454, 1599, 2617, 2835, 4620, 5017, 8154, 8767, 14224, 15134, 24530, 26162, 42377, 44824, 72576, 77014, 124663, 131495, 212819, 222957, 360811, 378995, 613289, 640606, 1036587, 1086216, 1757602
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OFFSET
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1,2
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LINKS
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MATHEMATICA
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Table[Sum[Fibonacci[k]*Floor[(n - k + 1)*GoldenRatio^2], {k, 1, Floor[n/2]}], {n, 1, 50}] (* Vaclav Kotesovec, Aug 06 2019 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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