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 A051192 #4 Mar 30 2012 18:57:01 %S A051192 0,8,36,120,330,792,1716,3430,6435,11440,19448,31824,50388,77520, %T A051192 116277,170544,245157,346104,480700,657800,888030,1184036,1560780, %U A051192 2035800,2629575,3365856,4272048,5379616,6724515,8347680,10295472 %N A051192 T(n,7), array T as in A050186; a count of aperiodic binary words. %F A051192 Seems to be n*A011797. %K A051192 nonn %O A051192 7,2 %A A051192 _Clark Kimberling_