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A206512 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards 9

%I #5 Mar 31 2012 12:37:11

%S 81,549,549,3399,7737,3399,19797,93405,93405,19797,111495,1020756,

%T 2105607,1020756,111495,614367,10505604,41873838,41873838,10505604,

%U 614367,3337695,103812645,769739571,1483188648,769739571,103812645

%N T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards

%C Table starts

%C .......81........549..........3399............19797.............111495

%C ......549.......7737.........93405..........1020756...........10505604

%C .....3399......93405.......2105607.........41873838..........769739571

%C ....19797....1020756......41873838.......1483188648........47830788954

%C ...111495...10505604.....769739571......47830788954......2671430859687

%C ...614367..103812645...13397007426....1444445274765....138401623325535

%C ..3337695..997160112..224125465767...41561685861258...6781274991216915

%C .17958813.9383642739.3639506017737.1152430341911256.318257080720663863

%H R. H. Hardin, <a href="/A206512/b206512.txt">Table of n, a(n) for n = 1..112</a>

%e Some solutions for n=4 k=3

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

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

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Feb 08 2012

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Last modified April 19 09:23 EDT 2024. Contains 371782 sequences. (Running on oeis4.)