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1, 40, 1200, 32000, 800000, 19200000, 448000000, 10240000000, 230400000000, 5120000000000, 112640000000000, 2457600000000000, 53248000000000000, 1146880000000000000, 24576000000000000000, 524288000000000000000
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,100
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FORMULA
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a(n)=n*20^(n-1).
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PROG
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(PARI) { for (n=1, 100, write("b061650.txt", n, " ", n*20^(n - 1)) ) } [From Harry J. Smith, Jul 25 2009]
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CROSSREFS
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Sequence in context: A144914 A004385 A152257 * A006101 A188253 A049396
Adjacent sequences: A061647 A061648 A061649 * A061651 A061652 A061653
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Jun 14 2001
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EXTENSIONS
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Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 18 2001
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STATUS
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approved
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