%I A063942
%S A063942 1,0,1,2,1,0,3,2,1,4,3,2,5,4,3,6,5,4,7,6,5,8,7,6,9,8,7,10,9,8,11,10,9,
               12,11,10,13,12,
%T A063942 11,14,13,12,15,14,13,16,15,14,17,16,15,18,17,16,19,18,17,20,19,18,21,
               20,19,22,21,20,
%U A063942 23,22,21,24,23,22,25,24,23,26,25,24,27,26,25,28,27,26,29,28,27,30,29,
               28,31,30,29,32
%V A063942 1,0,-1,2,1,0,3,2,1,4,3,2,5,4,3,6,5,4,7,6,5,8,7,6,9,8,7,10,9,8,11,10,9,
               12,11,10,13,12,
%W A063942 11,14,13,12,15,14,13,16,15,14,17,16,15,18,17,16,19,18,17,20,19,18,21,
               20,19,22,21,20,
%X A063942 23,22,21,24,23,22,25,24,23,26,25,24,27,26,25,28,27,26,29,28,27,30,29,
               28,31,30,29,32
%N A063942 Follow n by n-1 and n-2.
%H A063942 Harry J. Smith, <a href="b063942.txt">Table of n, a(n) for n=0,...,1000</
               a>
%o A063942 (PARI) a(n) = (n\3)-(n%3)+1; j=[]; for(n=0,200,j=concat(j,a(n))); j
%o A063942 (PARI) { for (n=0, 1000, write("b063942.txt", n, " ", (n\3) - (n%3) + 
               1) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 03 2009]
%Y A063942 Cf. A028242.
%Y A063942 Sequence in context: A025655 A022336 A019586 this_sequence A106384 A094314 
               A036864
%Y A063942 Adjacent sequences: A063939 A063940 A063941 this_sequence A063943 A063944 
               A063945
%K A063942 easy,sign
%O A063942 0,4
%A A063942 Jason Earls (zevi_35711(AT)yahoo.com), Sep 01 2001