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 A029613 #8 Jul 02 2025 16:01:56 %S A029613 24,48,80,196,308,276,504,120,780,1134,1914,168,638,1650,4224,806, %T A029613 2288,224,3094,12012,288,1480,5320,14196,29120,46904,60060,1768,6800, %U A029613 19516,43316,76024,106964,360,8568,26316,62832,119340,182988,228514,34884 %N A029613 Even numbers (not equal to 2) to the left of the central elements of the (2,3)-Pascal triangle A029600. %K A029613 nonn,tabf %O A029613 0,1 %A A029613 _Mohammad K. Azarian_ %E A029613 More terms from _James Sellers_