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%I #2 Mar 31 2012 13:46:50
%S 1,5,15,16,26,27,37,38,40,41,51,52,62,63,73,74,84,85,95,105,115,125,
%T 135,145,155,165,175,185,195,196,206,216,226,236,246,256,266,276,286,
%U 296,297,307,317,327,337,347,357,367,377,387,390,408,410,418,420,428,430
%N Slowest increasing sequence where the absolute difference between the last digit of a(n) and the first digit of a(n+1) equals 4.
%K base,easy,nonn
%O 1,2
%A _Eric Angelini_, Dec 16 2004
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