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 A014733 #14 Jul 02 2025 16:01:55 %S A014733 16,676,4356,676,91204,91204,14400,5837056,14400,252004,213393664, %T A014733 7785238756,24395316100,7785238756,213393664,252004,2288665600, %U A014733 207199756864,1717027605316,1717027605316,207199756864,2288665600 %N A014733 Squares of even numbers in triangle of Eulerian numbers. %F A014733 a(n) = A014450(n)^2. - _Sean A. Irvine_, Nov 18 2018 %Y A014733 Cf. A008292, A014450. %K A014733 nonn,easy,tabf %O A014733 1,1 %A A014733 _Mohammad K. Azarian_ %E A014733 More terms from _James Sellers_ %E A014733 Offset corrected by _Joerg Arndt_, Nov 19 2018