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A013767
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a(n) = 20^(3*n + 2).
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1
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400, 3200000, 25600000000, 204800000000000, 1638400000000000000, 13107200000000000000000, 104857600000000000000000000, 838860800000000000000000000000, 6710886400000000000000000000000000, 53687091200000000000000000000000000000
(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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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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