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A200831 T(n,k)=Number of nXk 0..5 arrays with every row and column running average nondecreasing rightwards and downwards 8

%I #7 Mar 31 2012 12:36:41

%S 6,21,21,69,196,69,219,1630,1630,219,679,12776,33540,12776,679,2070,

%T 96511,642953,642953,96511,2070,6235,709506,11757774,29830782,

%U 11757774,709506,6235,18608,5112134,207535740,1307781737,1307781737,207535740

%N T(n,k)=Number of nXk 0..5 arrays with every row and column running average nondecreasing rightwards and downwards

%C Table starts

%C ......6.........21...........69............219..............679

%C .....21........196.........1630..........12776............96511

%C .....69.......1630........33540.........642953.........11757774

%C ....219......12776.......642953.......29830782.......1307781737

%C ....679......96511.....11757774.....1307781737.....136335515996

%C ...2070.....709506....207535740....54981059192...13551445405790

%C ...6235....5112134...3568229516..2243416408567.1303531416951055

%C ..18608...36238976..60064451704.89423476817120

%C ..55148..253579683.994081203872

%C .162532.1755615191

%H R. H. Hardin, <a href="/A200831/b200831.txt">Table of n, a(n) for n = 1..71</a>

%e Some solutions for n=5 k=3

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

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

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

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

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

%Y Column 1 is A200761

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Nov 23 2011

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)