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 A222385 #6 Jul 23 2025 02:33:30 %S A222385 64,3968,262144,16776896,1073741712,68719469568,4398044807168, %T A222385 281474968175508,18014398509481984,1152921504606846976, %U A222385 73786976290732196864,4722366482869645213696,302231454903657058795520 %N A222385 Sum of neighbor maps: number of nX6 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 nX6 array. %C A222385 Column 6 of A222386 %H A222385 R. H. Hardin, <a href="/A222385/b222385.txt">Table of n, a(n) for n = 1..210</a> %e A222385 Some solutions for n=3 %e A222385 ..0..0..0..1..0..1....0..0..0..1..1..1....0..0..0..1..0..1....0..0..0..1..1..1 %e A222385 ..0..1..1..1..1..0....0..0..1..0..0..1....0..0..0..0..0..0....0..0..1..0..0..1 %e A222385 ..1..1..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..1....0..0..0..0..1..0 %K A222385 nonn %O A222385 1,1 %A A222385 _R. H. Hardin_ Feb 18 2013