A101242 - OEIS

%I #2 Mar 31 2012 13:46:50

%S 1,9,10,80,81,91,99,109,119,129,139,149,159,169,179,189,190,800,810,

%T 820,830,840,850,860,870,880,890,891,901,911,921,931,941,951,961,971,

%U 981,991,999,1009,1019,1029,1039,1049,1059,1069,1079,1089,1099,1109,1119

%N Slowest increasing sequence where the absolute difference between the last digit of a(n) and the first digit of a(n+1) equals 8.

%K base,easy,nonn

%O 1,2

%A _Eric Angelini_, Dec 16 2004