%I A055727
%S A055727 0,2,4,14,51,247,1405
%N A055727 Number of lucky 4,6 triples <= 10^n.
%Y A055727 Sequence in context: A032312 A032222 A046650 this_sequence A003500 A129876 
               A038055
%Y A055727 Adjacent sequences: A055724 A055725 A055726 this_sequence A055728 A055729 
               A055730
%K A055727 nonn
%O A055727 0,2
%A A055727 Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2000