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A017380
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a(n) = (10*n + 9)^4.
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1
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6561, 130321, 707281, 2313441, 5764801, 12117361, 22667121, 38950081, 62742241, 96059601, 141158161, 200533921, 276922881, 373301041, 492884401, 639128961, 815730721, 1026625681, 1275989841, 1568239201
(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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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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