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A206223 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing 8
81, 452, 452, 1970, 7313, 1970, 8128, 73133, 73133, 8128, 33386, 656053, 1782191, 656053, 33386, 139390, 5862927, 35625711, 35625711, 5862927, 139390, 588254, 53835891, 600064928, 1827047303, 600064928, 53835891, 588254, 2496440 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

......81........452..........1970.............8128...............33386

.....452.......7313.........73133...........656053.............5862927

....1970......73133.......1782191.........35625711...........600064928

....8128.....656053......35625711.......1827047303.........74479700228

...33386....5862927.....600064928......74479700228.......7626209039519

..139390...53835891....9098547899....2537225006229.....656654900321262

..588254..499752207..131428029860...77008927829374...46954627739500046

.2496440.4654712482.1883474084204.2231343350258712.2857994610813268269

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Column 1 is A205208

Sequence in context: A253742 A204223 A205215 * A236669 A205208 A236664

Adjacent sequences:  A206220 A206221 A206222 * A206224 A206225 A206226

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 04 2012

STATUS

approved

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Last modified October 15 17:58 EDT 2021. Contains 348033 sequences. (Running on oeis4.)