%I A037421
%S A037421 1,2,9,18,81,82,83,90,99,162,163,164,171,180,729,730,731,738,739,740,
%T A037421 747,748,749,810,811,812,819,828,891,892,893,900,909,1458,1459,1460,
%U A037421 1467,1468,1469,1476,1477,1478,1539,1540,1541,1548,1557,1620,1621
%N A037421 Numbers n such that the set of base 3 digits of n equals the set of base 
               9 digits of n.
%Y A037421 Sequence in context: A103256 A028881 A083708 this_sequence A083423 A068978 
               A006226
%Y A037421 Adjacent sequences: A037418 A037419 A037420 this_sequence A037422 A037423 
               A037424
%K A037421 nonn,base
%O A037421 1,2
%A A037421 Clark Kimberling (ck6(AT)evansville.edu)
%E A037421 Corrected by Don Reble (djr(AT)nk.ca), Apr 28 2006