This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A317780 #6 Aug 06 2018 15:31:41 %S A317780 1,4,12,30,72,166,375,828,1802,3872,8243,17404,36501,76104,157888, %T A317780 326126,671054,1376090,2813303,5735864,11665683,23672756,47940341, %U A317780 96904034,195540645,393953334,792531849,1592204570,3194717138,6402570594,12817347502,25632678412 %N A317780 Number of binary words of length n containing exactly one occurrence of the subword 01101. %H A317780 Alois P. Heinz, <a href="/A317780/b317780.txt">Table of n, a(n) for n = 5..2000</a> %H A317780 <a href="/index/Rec#order_10">Index entries for linear recurrences with constant coefficients</a>, signature (4,-4,-2,8,-10,3,4,-6,4,-1). %F A317780 G.f.: x^5/(x^5-2*x^4+x^3-2*x+1)^2. %Y A317780 Column k=1 of A277751. %K A317780 nonn,easy %O A317780 5,2 %A A317780 _Alois P. Heinz_, Aug 06 2018