A207298 Number of (n+1)X5 0..3 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing

84899, 33860323, 8967460486, 1951282415919, 308913308209090, 37170163306466234, 3574001909699500591, 289539293904541783462, 20820957544770844317083, 1397930008464657504104231

Offset

1,1

Comments

Column 4 of A207300

Links

R. H. Hardin, Table of n, a(n) for n = 1..60

Example

Some solutions for n=4
..3..3..1..2..2....1..1..2..3..0....2..2..2..1..2....3..2..2..0..3
..1..0..0..2..3....1..1..2..3..0....1..0..0..0..0....0..0..0..0..3
..1..1..1..0..0....0..0..0..0..0....0..0..3..2..3....1..1..0..0..2
..1..2..2..2..1....0..2..0..0..0....1..0..3..2..3....2..2..0..0..0
..0..1..2..1..3....0..2..0..0..2....3..3..0..0..1....3..3..0..2..2

Crossrefs

Sequence in context: A244351 A232704 A205023 * A236668 A194777 A375263

Adjacent sequences: A207295 A207296 A207297 * A207299 A207300 A207301

Keyword

nonn

Author

R. H. Hardin Feb 16 2012

Status

approved