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Search: id:A067088
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| A067088 |
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Floor[X/Y] where X = concatenation of (n+1), (n+2), ...up to 2n and Y = concatenation of 1,2,3,4,... up to n. |
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+0
11
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| 2, 2, 3, 4, 54, 6391, 721719, 73719014, 819008271, 900826453, 982644636, 1064462818, 1146281001, 1228099183, 1309917366, 1391735548, 1473553731, 1555371913, 1637190096, 1719008278, 1800826461, 1882644643, 1964462826
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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a(4) =floor[ 5678/1234]= floor[4.60129659643435980551053484602917] = 4; a(6)= floor [ 789101112/123456] = 6391.
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MATHEMATICA
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f[n_] := (k = 1; x = y = "0"; While[k < n + 1, x = StringJoin[x, ToString[n + k]]; y = StringJoin[y, ToString[2k - 1]]; k++ ]; Return[ Floor[ ToExpression[x] / ToExpression[y]]] ); Table[ f[n], {n, 1, 24} ]
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CROSSREFS
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Sequence in context: A049309 A022405 A093927 this_sequence A065519 A058256 A140183
Adjacent sequences: A067085 A067086 A067087 this_sequence A067089 A067090 A067091
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KEYWORD
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easy,base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 07 2002
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 09 2002
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