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0, 6, 30, 120, 240, 520, 960, 1386, 2184, 3240, 4160, 5742, 7068, 9282, 11914, 14040, 17472, 21420, 24534, 29450, 33280, 39270, 45936, 51060, 58968, 65000, 74256, 84348, 91980, 103588, 116130, 125550, 139776, 150414, 166430, 183540, 196272
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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a(n) = n*round(n*(1+sqrt(5))/2)*round(round(n*(1+sqrt(5))/2)*(1+sqrt(5))/2). - Wesley Ivan Hurt, Apr 23 2021
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MATHEMATICA
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b[n_] := Round[n*GoldenRatio];
a[n_] := n*b[n]*b[b[n]];
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PROG
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(PARI) b(n) = round(n*(1+sqrt(5))/2);
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CROSSREFS
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KEYWORD
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easy,nice,nonn
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AUTHOR
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Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 28 1999
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STATUS
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approved
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