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A203943 Number of (n+1)X8 0..5 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively 0

%I #4 Mar 31 2012 12:37:00

%S 62091544,8607173216,853966571340,53282169761154,2276546728132975,

%T 71890441717085471,1772878084052954152,35656081570810127505

%N Number of (n+1)X8 0..5 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively

%C Column 7 of A203944

%e Some solutions for n=4

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

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

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

%e ..2..5..5..5..5..5..5..5....4..4..4..5..5..5..5..5....3..4..4..5..5..5..5..5

%e ..3..5..5..5..5..5..5..5....5..5..5..5..5..5..5..5....2..5..5..5..5..5..5..5

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 08 2012

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Last modified April 24 14:54 EDT 2024. Contains 371960 sequences. (Running on oeis4.)