# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a234076 Showing 1-1 of 1 %I A234076 #7 Oct 12 2018 15:31:47 %S A234076 96,476,2352,12152,63136,335536,1789760,9652704,52158592,283301056, %T A234076 1540148480,8392758144,45753840128,249698446080,1362969777152, %U A234076 7443314916864,40652158732288,222072701455360,1213174885371904 %N A234076 Number of (n+1) X (1+1) 0..4 arrays with every 2 X 2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 10. %H A234076 R. H. Hardin, Table of n, a(n) for n = 1..210 %F A234076 Empirical: a(n) = 4*a(n-1) + 22*a(n-2) - 56*a(n-3) - 120*a(n-4) + 32*a(n-5) + 64*a(n-6). %F A234076 Empirical g.f.: 4*x*(24 + 23*x - 416*x^2 - 588*x^3 + 240*x^4 + 352*x^5) / ((1 - 4*x - 8*x^2)*(1 - 14*x^2 + 8*x^4)). - _Colin Barker_, Oct 12 2018 %e A234076 Some solutions for n=5: %e A234076 ..1..2....3..2....1..4....1..4....2..3....1..2....0..3....4..1....3..2....2..1 %e A234076 ..3..0....3..0....2..3....2..1....0..3....4..1....1..0....2..1....1..4....4..1 %e A234076 ..2..1....2..1....0..3....0..3....0..1....1..2....2..3....3..4....4..3....2..1 %e A234076 ..0..3....0..3....1..0....1..0....3..2....1..4....0..3....4..1....1..2....3..0 %e A234076 ..2..3....2..3....2..3....0..3....4..1....4..3....0..1....3..2....3..0....1..2 %e A234076 ..1..4....0..3....0..3....2..3....3..2....4..1....0..3....0..3....1..0....3..4 %Y A234076 Column 1 of A234083. %K A234076 nonn %O A234076 1,1 %A A234076 _R. H. Hardin_, Dec 19 2013 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE