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 A067093 Floor[X/Y] where X = concatenation of (n+1)-st odd number through the 2n-th odd number and Y = concatenation of first n odd numbers. 10

%I

%S 3,4,58,6714,81975,96852,111729,126607,141484,156361,171238,186116,

%T 200993,215870,230748,245625,260502,275379,290257,305134,320011,

%U 334889,349766,364643,379520,39439811,4092753962,424152673322,43902995043838

%N Floor[X/Y] where X = concatenation of (n+1)-st odd number through the 2n-th odd number and Y = concatenation of first n odd numbers.

%e a(4) = floor[9111315/1357] = floor[6714.30729550478997789240972733972] = 6714.

%t f[n_] := (k = 1; x = y = "0"; While[k < n + 1, x = StringJoin[x, ToString[2n + 2k -1]]; y = StringJoin[y, ToString[2k - 1]]; k++ ]; Return[ Floor[ ToExpression[x] / ToExpression[y]]] ); Table[ f[n], {n, 1, 32} ]

%Y Cf. A067088, A067089, A067090, A067091, A067092.

%K easy,base,nonn

%O 1,1

%A _Amarnath Murthy_, Jan 07 2002

%E More terms from _Robert G. Wilson v_, Jan 09 2002

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Last modified June 14 01:29 EDT 2021. Contains 345016 sequences. (Running on oeis4.)