# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a230912 Showing 1-1 of 1 %I A230912 #4 Nov 01 2013 08:41:51 %S A230912 0,2,164,5714,221768,9144134,372256436,15083831290,611930935216, %T A230912 24834134356510,1007737924024732,40891632273267442, %U A230912 1659302731260314936,67331404086209327030,2732180126250261658692,110866649653148718923818 %N A230912 Number of nX5 0..7 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero %C A230912 Column 5 of A230915 %H A230912 R. H. Hardin, Table of n, a(n) for n = 1..200 %F A230912 Empirical: a(n) = 50*a(n-1) -580*a(n-2) +9636*a(n-3) -75225*a(n-4) +427310*a(n-5) -1370674*a(n-6) +496852*a(n-7) +569224*a(n-8) +39600*a(n-9) for n>10 %e A230912 Some solutions for n=3 %e A230912 ..0..1..2..1..0....0..1..2..1..0....0..1..2..3..2....0..1..2..3..4 %e A230912 ..0..3..4..7..6....0..3..6..7..6....0..5..4..3..2....0..7..6..5..2 %e A230912 ..4..5..6..5..4....4..5..4..5..4....6..7..0..1..0....6..5..4..3..2 %K A230912 nonn %O A230912 1,2 %A A230912 _R. H. Hardin_, Nov 01 2013 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE