A066557 -id:A066557 - cp's OEIS frontend

A066558 a(n) = A066557(n)/n.

9, 49, 333, 2499, 19999, 166666, 1428571, 12499999, 111111111, 999999999, 9090909090, 83333333333, 769230769230, 7142857142857, 66666666666666, 624999999999999, 5882352941176470, 55555555555555555, 526315789473684210, 4999999999999999999, 47619047619047619047

Offset: 1

Amarnath Murthy, Dec 17 2001

Harry J. Smith, Table of n, a(n) for n = 1..150

Cf. A053041, A066557.

a(n) = { (10^n - 1)\n } \\ Harry J. Smith, Feb 22 2010

a(n) = floor((10^n-1)/n).

More terms and formula from Francisco Salinas (franciscodesalinas(AT)hotmail.com), Dec 24 2001

A053041 Smallest n-digit number divisible by n.

Original entry on oeis.org

1, 10, 102, 1000, 10000, 100002, 1000006, 10000000, 100000008, 1000000000, 10000000010, 100000000008, 1000000000012, 10000000000004, 100000000000005, 1000000000000000, 10000000000000016, 100000000000000008, 1000000000000000018, 10000000000000000000

Offset: 1

Henry Bottomley, Feb 24 2000

Harry J. Smith, Table of n, a(n) for n = 1..150

Cf. A066559, A066209, A066557, A066558, A162213.

A053041:=n->n*ceil(10^(n-1)/n); seq(A053041(n), n=1..30); # Wesley Ivan Hurt, Nov 28 2013

Table[Ceiling[10^(n-1)/n]n,{n,20}] (* Harvey P. Dale, Jan 17 2012 *)

a(n) = { n*ceil(10^(n-1)/n) } \\ Harry J. Smith, Feb 23 2010

a(n) = n*ceiling(10^(n-1)/n). - Vladeta Jovovic, Dec 27 2001

More terms from David Wasserman, Feb 26 2002

A066559 a(n) = ceiling(10^(n-1)/n).

Original entry on oeis.org

1, 5, 34, 250, 2000, 16667, 142858, 1250000, 11111112, 100000000, 909090910, 8333333334, 76923076924, 714285714286, 6666666666667, 62500000000000, 588235294117648, 5555555555555556, 52631578947368422, 500000000000000000

Offset: 1

Amarnath Murthy, Dec 17 2001

nonn

Harry J. Smith, Table of n, a(n) for n = 1..150

Cf. A053041, A066209, A066557, A066558.

A066559:=n->ceil(10^(n-1)/n); seq(A066559(n), n=1..30); # Wesley Ivan Hurt, Nov 28 2013

Table[Ceiling[10^(n - 1)/n], {n, 30}] (* Wesley Ivan Hurt, Nov 28 2013 *)

a(n) = { ceil(10^(n-1)/n) } \\ Harry J. Smith, Feb 23 2010

a(n) = A053041(n)/n.

Corrected, extended by, and better name from Vladeta Jovovic, Dec 17 2001

cp's OEIS Frontend

A066558 a(n) = A066557(n)/n.

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A053041 Smallest n-digit number divisible by n.

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Maple

Mathematica

PARI

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A066559 a(n) = ceiling(10^(n-1)/n).

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Maple

Mathematica

PARI

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