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 A183373 #7 Jul 22 2025 08:53:01 %S A183373 1,25,64,144,625,3969,22801,104329,580644,3763600,23707161,144480400, %T A183373 910470276,5844449601,37337446441,237578256400,1520187895681, %U A183373 9757501690000,62593240504921,401316721817881,2575276886918596 %N A183373 Number of nX6 binary arrays with no element equal to the mod 3 sum of its diagonal and antidiagonal neighbors. %C A183373 Column 6 of A183374 %H A183373 R. H. Hardin, <a href="/A183373/b183373.txt">Table of n, a(n) for n = 1..200</a> %e A183373 Some solutions for 5X6 %e A183373 ..0..1..1..1..0..1....0..0..1..1..0..0....0..0..0..1..1..0....1..0..1..0..0..0 %e A183373 ..0..1..0..1..0..1....0..1..1..1..1..0....0..1..1..0..1..0....1..0..1..0..1..1 %e A183373 ..1..1..1..1..0..1....1..1..0..1..1..0....0..1..0..0..0..1....0..0..0..0..0..0 %e A183373 ..0..1..0..0..0..0....0..1..1..1..0..0....1..0..1..0..1..1....1..1..1..0..1..0 %e A183373 ..0..1..0..1..1..1....0..0..1..0..0..1....1..1..1..1..0..0....0..0..0..0..1..0 %K A183373 nonn %O A183373 1,2 %A A183373 _R. H. Hardin_ Jan 04 2011