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 A233997 T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18 8

%I

%S 164,774,774,3496,3040,3496,17156,11622,11622,17156,81200,51026,38220,

%T 51026,81200,409848,218602,150572,150572,218602,409848,1995424,

%U 1058618,578992,560408,578992,1058618,1995424,10261264,4923910,2642176,2021016

%N T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18

%C Table starts

%C .......164.......774.......3496......17156.......81200......409848.....1995424

%C .......774......3040......11622......51026......218602.....1058618.....4923910

%C ......3496.....11622......38220.....150572......578992.....2642176....11510748

%C .....17156.....51026.....150572.....560408.....2021016.....9191620....39038268

%C .....81200....218602.....578992....2021016.....6692724....29399672...117312896

%C ....409848...1058618....2642176....9191620....29399672...134489796...533896296

%C ...1995424...4923910...11510748...39038268...117312896...533896296..1997753492

%C ..10261264..25667010...59677576..213791308...650719408..3264749708.12585162304

%C ..50945472.126489782..286598096.1031265884..3041797872.15542978456

%C .264997984.690800294.1625122820.6478189956.20530088132

%H R. H. Hardin, <a href="/A233997/b233997.txt">Table of n, a(n) for n = 1..112</a>

%e Some solutions for n=3 k=4

%e ..0..6..5..6..0....0..5..2..6..0....5..0..5..5..1....1..6..4..5..5

%e ..5..5..0..5..5....3..0..5..1..1....0..3..0..2..6....4..1..1..0..6

%e ..2..0..3..0..2....0..5..2..6..0....5..0..5..5..1....5..0..6..1..1

%e ..2..6..3..6..2....6..5..0..2..2....6..5..2..0..4....0..3..3..6..4

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_, Dec 18 2013

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Last modified May 15 20:23 EDT 2021. Contains 343920 sequences. (Running on oeis4.)