%I #5 Mar 30 2012 18:56:44
%S 76,176,276,376,476,576,676,760,776,876,976,1076,1176,1276,1376,1476,
%T 1576,1676,1760,1776,1876,1976,2076,2176,2276,2376,2476,2576,2676,
%U 2760,2776,2876,2976,3076,3176,3276,3376,3476,3576
%N Numbers n such that string 7,6 occurs in the base 10 representation of n but not of n-1.
%K nonn,base
%O 1,1
%A _Clark Kimberling_