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Slowest increasing sequence where the absolute difference between the last digit of a(n) and the first digit of a(n+1) equals 5.
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%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