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 A014756 #13 Jul 02 2025 16:01:55 %S A014756 1,1,121,1,1,3249,1,1418481,1,243953161,18429849,61009,1,1,1026169,1, %T A014756 23298053769,1,103788925659225,228743149441,16670889,1, %U A014756 179167257871956225,1,164949400968114956769,6613857814673730625 %N A014756 Squares of numbers in array formed from odd elements to the right of middle of rows of triangle of Eulerian numbers. %F A014756 a(n) = A014469(n)^2. - _Sean A. Irvine_, Nov 19 2018 %K A014756 nonn,tabf %O A014756 1,3 %A A014756 _Mohammad K. Azarian_ %E A014756 More terms from _James Sellers_ %E A014756 Offset 1 from _Michel Marcus_, Nov 19 2018