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 A223356 #6 Jul 23 2025 04:02:38 %S A223356 4096,15925248,64399343616,262687716016128,1073434373061083136, %T A223356 4387933871654786039808,17937911731045128424390656, %U A223356 73331159360640809507160588288,299782360886263133728989486514176 %N A223356 Rolling cube footprints: number of nX7 0..5 arrays starting with 0 where 0..5 label faces of a cube and every array movement to a horizontal or antidiagonal neighbor moves across a corresponding cube edge. %C A223356 Column 7 of A223357 %H A223356 R. H. Hardin, <a href="/A223356/b223356.txt">Table of n, a(n) for n = 1..210</a> %F A223356 Empirical: a(n) = 5376*a(n-1) -5750784*a(n-2) +2038431744*a(n-3) -217432719360*a(n-4) %e A223356 Some solutions for n=3 %e A223356 ..0..3..0..3..1..2..5....0..3..0..3..1..2..4....0..3..0..3..4..2..4 %e A223356 ..0..3..0..3..5..1..0....0..3..0..3..5..2..5....0..3..0..3..0..2..4 %e A223356 ..0..3..0..3..0..1..5....0..3..0..3..0..3..0....0..3..0..3..4..0..1 %K A223356 nonn %O A223356 1,1 %A A223356 _R. H. Hardin_ Mar 19 2013