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A331476
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The (10^n)-th even-digit number.
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2
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0, 28, 688, 24888, 608888, 22288888, 446888888, 20048888888, 402088888888, 8042888888888, 260868888888888, 6228488888888888, 224680888888888888, 4604628888888888888, 202202688888888888888, 4044064888888888888888, 80882408888888888888888
(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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MAPLE
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b:= proc(n) local m, r; m, r:= n-1, 0;
while m>0 do r:= 2*irem(m, 5, 'm'), r od;
parse(cat(r))/10
end:
a:= n-> b(10^n):
seq(a(n), n=0..20);
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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