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 A051198 #4 Mar 30 2012 18:57:01 %S A051198 0,7,36,165,715,3000,12376,50388,203490,817190,3268750,13037895, %T A051198 51895935,206253075,818809200,3247943125,12875774670,51021117810, %U A051198 202112640600,800472431850,3169870830000,12551759587422,49699896548176 %N A051198 T(2n+5,n), array T as in A050186; a count of aperiodic binary words. %K A051198 nonn %O A051198 0,2 %A A051198 _Clark Kimberling_