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A222898 T(n,k)=Number of nXk 0..1 arrays with successive rows and columns fitting to straight lines with strictly increasing slope, with a single point array taken as having zero slope 2

%I

%S 2,0,0,0,5,0,0,2,2,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,251,0,0,0,0,0,0,444,

%T 444,0,0,0,0,0,0,972,1872,972,0,0,0,0,0,0,752,8920,8920,752,0,0,0,0,0,

%U 0,372,6064,720452,6064,372,0,0,0,0,0,0,64,0,4109604,4109604,0,64,0,0,0,0,0,0

%N T(n,k)=Number of nXk 0..1 arrays with successive rows and columns fitting to straight lines with strictly increasing slope, with a single point array taken as having zero slope

%C Table starts

%C .2.0.0...0....0.........0.........0.........0..........0.........0.0.0.0.0.0

%C .0.5.2...0....0.........0.........0.........0..........0.........0.0.0.0.0

%C .0.2.8...0....0.........0.........0.........0..........0.........0.0.0.0

%C .0.0.0.251..444.......972.......752.......372.........64.........0.0.0

%C .0.0.0.444.1872......8920......6064.........0..........0.........0.0

%C .0.0.0.972.8920....720452...4109604..49760067..193345960.989498744

%C .0.0.0.752.6064...4109604..33675352.845060178.3867788696

%C .0.0.0.372....0..49760067.845060178

%C .0.0.0..64....0.193345960

%C .0.0.0...0....0

%C .0.0.0...0

%C .0.0.0

%H R. H. Hardin, <a href="/A222898/b222898.txt">Table of n, a(n) for n = 1..112</a>

%e Some solutions for n=4 k=4

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

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

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

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

%K nonn,tabl

%O 1,1

%A _R. H. Hardin_ Mar 08 2013

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Last modified July 14 08:33 EDT 2020. Contains 335720 sequences. (Running on oeis4.)