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 A014720 #14 Jul 02 2025 16:01:55 %S A014720 9,16,100,25,225,36,1225,441,49,3136,784,64,15876,7056,1296,81,44100, %T A014720 14400,2025,100,213444,108900,27225,3025,121,627264,245025,48400,4356, %U A014720 144,2944656,1656369,511225,81796,6084,169,9018009,4008004,1002001 %N A014720 Squares of elements to right of central element in Pascal triangle (by row) that are not 1. %F A014720 a(n) = A014411(n)^2. - _Sean A. Irvine_, Nov 18 2018 %Y A014720 Cf. A014411. %K A014720 nonn,tabf %O A014720 1,1 %A A014720 _Mohammad K. Azarian_ %E A014720 Description corrected and more terms from _James Sellers_ %E A014720 Offset corrected by _Joerg Arndt_, Nov 19 2018