A233066 - OEIS

A233066

Number of (5+1)X(n+1) 0..1 arrays x(i,j) with row sums sum{x(i,j), j=1..n+1} nondecreasing, and column sums sum{i*x(i,j), i=1..5+1} nondecreasing.

132, 1933, 26819, 334580, 3849923, 41069900, 410815334, 3882304854, 34909282490, 300390631126, 2485871001226, 19866918000644, 153888527063899

OFFSET

1,1

COMMENTS

Row 5 of A233062

LINKS

EXAMPLE

Some solutions for n=4

..0..0..0..0..1....0..0..0..0..1....0..0..0..1..0....0..0..0..1..0

..0..0..1..0..1....0..0..0..0..1....0..0..0..1..0....0..0..0..1..0

..1..0..0..1..0....0..0..1..0..0....0..0..1..0..1....0..0..1..1..0

..0..1..0..1..1....1..0..0..0..1....0..1..0..1..1....0..0..0..1..1

..0..0..1..1..1....0..0..0..1..1....0..0..1..1..1....0..1..0..0..1

..1..1..1..1..1....0..1..1..1..1....0..1..1..1..1....0..0..1..0..1

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 03 2013

STATUS

approved