A206216 - OEIS

A206216

Number of (n+1)X(n+1) 0..2 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing

81, 7313, 1782191, 1827047303, 7626209039519, 162241662044855141

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Diagonal of A206223

LINKS

EXAMPLE

Some solutions for n=4

..1..1..0..2..0....2..2..1..1..2....2..2..1..2..0....1..0..0..2..2

..0..0..0..0..0....0..0..0..0..0....2..1..0..0..0....0..0..0..0..0

..0..2..1..2..0....1..0..0..2..1....2..0..1..0..1....2..2..1..0..1

..0..0..0..0..0....0..0..0..1..1....0..0..2..0..2....0..0..0..0..2

..0..0..1..1..0....0..1..0..1..2....0..0..1..0..2....0..0..1..0..2

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved