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 A153469 #9 Apr 07 2021 19:45:33 %S A153469 1,20,1280,262400,172336640,362631649280,2444725581455360, %T A153469 52804515715254149120,3654168284344820145766400, %U A153469 810181920328696211112009728000,575510260400583306243122436913233920 %N A153469 1/6 of the number of 6-colorings of a planar n X n X n triangular grid. %Y A153469 6th row of A182797/6. %K A153469 nonn %O A153469 1,2 %A A153469 _R. H. Hardin_, Dec 27 2008 %E A153469 a(10)-a(11) from _Alois P. Heinz_, Dec 03 2010