%I #2 Mar 30 2012 17:40:36
%S 22,33,55,77,111,1111,1133,1177,1199,3377,4411,4499,5533,5599,6611,
%T 6677,7711,7799,8899,9977,11111,11199,11333,11555,22233,22255,22299,
%U 22333,22999,33322,44222,44333,44411,44477,44999,55111,55222,55577
%N Semiprimes (A001358) made of nontrivial runs of identical digits.
%C A run of length 1 is trivial.
%e 44477 = 79*563
%Y Cf. A001358, A033023, A116062.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 13 2006
