A175698 a(n) is the smallest positive number such that a(n)*n is an anagram of a(n)*9.

1089, 9, 345, 324, 2439, 594, 18, 297, 1, 45, 198, 18, 11619, 2664, 12, 27, 1188, 13986, 423, 1557, 15, 15327, 30969, 3, 16245, 1215, 115, 1476, 2871, 117, 1197, 162, 207, 18, 17289, 198, 2466, 13455, 21, 1278, 1251, 231, 117, 198, 15873, 12285, 14094, 144

Offset

1,1

Comments

a(2) = 9 because 2*9 = 18, 9*9 = 81 and 18 is an anagram of 81.

Links

Chai Wah Wu, Table of n, a(n) for n = 1..89

Mathematica

f[n_] := f[n] = Block[ {k = 1}, While[ Sort[ IntegerDigits[ 9k]] != Sort[ IntegerDigits[ k*n]], k++ ]; k]; Array[f, 48] (* Robert G. Wilson v, Aug 15 2010 *)

Crossrefs

Sequence in context: A157256 A223429 A168661 * A110819 A071685 A008919

Adjacent sequences: A175695 A175696 A175697 * A175699 A175700 A175701

Keyword

base,nonn,full,fini

Author

Claudio Meller, Aug 09 2010

Extensions

More terms from Robert G. Wilson v, Aug 15 2010

Name edited by Chai Wah Wu, Dec 21 2016

Status

approved