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A013887
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a(n) = 18^(5*n + 2).
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1
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324, 612220032, 1156831381426176, 2185911559738696531968, 4130428534112329328517709824, 7804725584345565904628551916716032, 14747559712960682275277163588165279154176, 27866516911699690485530919446962290200798035968
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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LINKS
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FORMULA
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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