login
Number of (n+1)X5 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one
1

%I #5 Mar 31 2012 12:35:56

%S 1714,2848,40401,368326,4086234,35402227,305194632,2367377082,

%T 17778498024,125853131068,873427953885,5795936973556,37384268765581,

%U 229298314395861,1348567299500573,7478116128799936,39407884320224587

%N Number of (n+1)X5 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one

%C Column 4 of A184095

%H R. H. Hardin, <a href="/A184090/b184090.txt">Table of n, a(n) for n = 1..63</a>

%e Some solutions for 3X5

%e ..1..1..1..2..3....0..1..2..2..3....0..0..1..1..1....1..2..2..3..3

%e ..1..1..2..1..0....1..2..0..1..0....0..1..0..1..1....2..1..1..0..1

%e ..1..2..0..3..2....2..0..3..2..3....0..1..1..0..1....2..2..3..3..3

%e ...

%e ...4..5..6..6.......4..5..5..6.......1..2..3..4.......6..6..6..7...

%e ...5..5..6..6.......5..5..6..6.......2..3..2..3.......7..7..7..7...

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 09 2011