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A023093
Numbers k such that k and 9*k are anagrams.
11
0, 1089, 10089, 10449, 10890, 10899, 10989, 100089, 100449, 100890, 100899, 100989, 102249, 104490, 104499, 106749, 107793, 107892, 108900, 108990, 108999, 109890, 109899, 109989, 1000089, 1000449, 1000890, 1000899, 1000989, 1002249, 1004490
OFFSET
1,2
COMMENTS
All terms are divisible by 9. - Eric M. Schmidt, Jul 12 2014
LINKS
MATHEMATICA
si[n_] := Sort@ IntegerDigits@ n; Flatten@{0, Table[Select[Range[10^d + 8, 2 10^d - 1, 9], si[#] == si[9 #] &], {d, 0, 6}]} (* Giovanni Resta, Mar 20 2017 *)
KEYWORD
nonn,base
STATUS
approved