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 A050191 #6 Mar 15 2023 11:52:03 %S A050191 0,7,24,81,200,462,900,1716,2968,4995,7952,12376,18468,27132,38640, %T A050191 54243,74448,100947,134352,177100,229944,295974,376376,475020,593280, %U A050191 736281,905632,1107513,1344224,1623160,1946916 %N A050191 T(n,6), array T as in A050186; a count of aperiodic binary words. %F A050191 Seems to be n*A011796. %Y A050191 Cf. A011796, A050186. %K A050191 nonn %O A050191 6,2 %A A050191 _Clark Kimberling_