%I #2 Mar 31 2012 13:46:50
%S 1,6,16,17,27,28,38,39,40,50,51,61,62,72,73,83,84,96,106,116,126,136,
%T 146,156,166,176,186,196,197,207,217,227,237,247,257,267,277,287,297,
%U 298,308,318,328,338,348,358,368,378,388,398,399,409,419,429,439,449
%N Slowest increasing sequence where the absolute difference between the last digit of a(n) and the first digit of a(n+1) equals 5.
%K base,easy,nonn
%O 1,2
%A _Eric Angelini_, Dec 16 2004