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A207298 Number of (n+1)X5 0..3 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing 1
84899, 33860323, 8967460486, 1951282415919, 308913308209090, 37170163306466234, 3574001909699500591, 289539293904541783462, 20820957544770844317083, 1397930008464657504104231 (list; graph; refs; listen; history; text; internal format)
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 A031671

Adjacent sequences:  A207295 A207296 A207297 * A207299 A207300 A207301

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 16 2012

STATUS

approved

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Last modified January 17 06:12 EST 2022. Contains 350378 sequences. (Running on oeis4.)