%I A039723
%S A039723 0,1,2,3,4,5,6,7,8,9,190,191,192,193,194,195,196,197,198,199,180,181,
%T A039723 182,183,184,185,186,187,188,189,170,171,172,173,174,175,176,177,178,
%U A039723 179,160,161,162,163,164,165,166,167,168,169,150,151,152,153,154,155
%N A039723 Numbers in base -10.
%D A039723 D. E. Knuth, The Art of Computer Programming. Addison-Wesley, Reading, 
               MA, 1969, Vol. 2, p. 189.
%H A039723 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Negadecimal.html">Link to a section of The World of Mathematics</
               a>
%H A039723 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Negabinary.html">Link to a section of The World of Mathematics</a>
%H A039723 Prepared and presented by Matthew Szudzik of Wolfram Research, <a href="http:/
               /library.wolfram.com/conferences/devconf99/challenge/">A Mathematica 
               programming contest</a>
%e A039723 Decimal 25 is "175" in base -10 because 100-70+5=25.
%Y A039723 Cf. A001477, A039724, A073785, A007608, A073786, A073787, A073788, A073789 
               & A073790.
%Y A039723 Sequence in context: A023052 A005188 A032569 this_sequence A002998 A137667 
               A117954
%Y A039723 Adjacent sequences: A039720 A039721 A039722 this_sequence A039724 A039725 
               A039726
%K A039723 base,easy,nonn
%O A039723 0,3
%A A039723 Robert Lozyniak (11(AT)onna.com)