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A175698
a(n) is the smallest positive number such that a(n)*n is an anagram of a(n)*9.
1
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
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
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