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Brilliant numbers (A078972) made of nontrivial runs of identical digits.
1

%I #2 Mar 30 2012 17:40:36

%S 22999,55577,1166111,2211133,2224499,3377333,4466333,5551177,5555533,

%T 5566999,5588899,6622277,6644333,6644777,6660077,6667799,7711177,

%U 7711199,7744111,7766333,7771199,7777999,7799777,8866699,8888777

%N Brilliant numbers (A078972) made of nontrivial runs of identical digits.

%C A run of length 1 is trivial.

%e 8866699 = 2287*3877.

%Y Cf. A033023, A078972.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Feb 13 2006