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A067088
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.
10
2, 2, 3, 4, 54, 6391, 721719, 73719014, 819008271, 900826453, 982644636, 1064462818, 1146281001, 1228099183, 1309917366, 1391735548, 1473553731, 1555371913, 1637190096, 1719008278, 1800826461, 1882644643, 1964462826
OFFSET
1,1
EXAMPLE
a(4) = floor(5678/1234) = floor(4.60129659643435980551053484602917) = 4; a(6) = floor(789101112/123456) = 6391.
MATHEMATICA
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} ]
CROSSREFS
Sequence in context: A375791 A270744 A093927 * A065519 A329792 A058256
KEYWORD
easy,base,nonn
AUTHOR
Amarnath Murthy, Jan 07 2002
EXTENSIONS
More terms from Robert G. Wilson v, Jan 09 2002
Offset corrected by Sean A. Irvine, Dec 02 2023
STATUS
approved