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A233031 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with row and column sums nondecreasing, and no adjacent elements equal 4
34, 96, 96, 333, 642, 333, 912, 3132, 3132, 912, 2874, 16296, 55642, 16296, 2874, 8070, 77353, 566933, 566933, 77353, 8070, 25028, 337570, 7169782, 12724788, 7169782, 337570, 25028, 71492, 1459711, 74939353, 308492287, 308492287, 74939353 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.....34......96.......333........912........2874.......8070.....25028

.....96.....642......3132......16296.......77353.....337570...1459711

....333....3132.....55642.....566933.....7169782...74939353.839537894

....912...16296....566933...12724788...308492287.6654563282

...2874...77353...7169782..308492287.18244622214

...8070..337570..74939353.6654563282

..25028.1459711.839537894

..71492.6131600

.221072

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..48

EXAMPLE

Some solutions for n=2 k=4

..1..0..1..2..3....1..0..1..0..2....1..2..1..2..3....0..2..0..2..1

..0..3..0..3..2....0..3..0..3..0....2..3..2..3..0....1..0..2..1..3

..3..1..3..2..3....1..0..2..1..2....3..1..3..1..3....0..1..3..2..1

CROSSREFS

Sequence in context: A202414 A160062 A247218 * A233028 A044221 A044602

Adjacent sequences:  A233028 A233029 A233030 * A233032 A233033 A233034

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Dec 03 2013

STATUS

approved

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Last modified March 31 16:23 EDT 2020. Contains 333151 sequences. (Running on oeis4.)