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Concatenation of 3 or more numbers in arithmetic progression.
3

%I #3 Mar 31 2012 13:22:16

%S 111,123,135,147,159,210,222,234,246,258,321,333,345,357,369,420,432,

%T 444,456,468,531,543,555,567,579,630,642,654,666,678,741,753,765,777,

%U 789,840,852,864,876,888,951,963,975,987,999,1050,1062,1074,1086,1098

%N Concatenation of 3 or more numbers in arithmetic progression.

%K nonn,base

%O 0,1

%A _Erich Friedman_