%I A057104
%S A057104 8,9,18,19,28,29,38,39,48,49,58,59,68,69,78,79,80,81,82,83,84,85,86,87,
%T A057104 88,89,90,91,92,93,94,95,96,97,98,99,108,109,118,119,128,129,138,139,
%U A057104 148,149,158,159,168,169,178,179,180,181,182,183,184,185,186,187,188
%N A057104 The non-octal numbers: numbers containing an 8 or 9 (they cannot be mistaken 
               for octal numbers).
%e A057104 '42' might be read as an octal number, but '48' could not be and so belongs 
               to the sequence.
%Y A057104 Sequence in context: A042727 A041128 A041551 this_sequence A095191 A050706 
               A159836
%Y A057104 Adjacent sequences: A057101 A057102 A057103 this_sequence A057105 A057106 
               A057107
%K A057104 easy,nonn,base
%O A057104 0,1
%A A057104 Thomas Schulze (jazariel(AT)tiscalenet.it), Sep 12 2000