%I A133551
%S A133551 1,2,4,8,15,26,42,74,132,236,421,747,1314,2318,4101,7263,12864,22773,
%T A133551 40291,71272,126099,223144,394895,698823,1236609,2188185,3872000,
%U A133551 6851631,12124307,21454602,37964931,67180507,118878510,210360283
%N A133551 Number of length n binary sequences with at most 3 of every 6 adjacent 
               bits set.
%Y A133551 Sequence in context: A089140 A000125 A129961 this_sequence A114226 A003241 
               A125513
%Y A133551 Adjacent sequences: A133548 A133549 A133550 this_sequence A133552 A133553 
               A133554
%K A133551 nonn
%O A133551 0,2
%A A133551 Ron Hardin (rhhardin(AT)att.net), Dec 24 2007