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
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