A053041 Smallest n-digit number divisible by n.

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

Offset

1,2

Links

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

Formula

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

Maple

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

Mathematica

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

Prog

(PARI) { for (n=1, 150, write("b053041.txt", n, " ", n*ceil(10^(n-1)/n)) ) } \\ Harry J. Smith, Feb 23 2010

Crossrefs

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

Sequence in context: A297062 A203569 A305712 * A220491 A088644 A080502

Adjacent sequences: A053038 A053039 A053040 * A053042 A053043 A053044

Keyword

base,easy,nonn,nice

Author

Henry Bottomley, Feb 24 2000

Extensions

More terms from David Wasserman, Feb 26 2002

Status

approved