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A250712
Number of (5+1)X(n+1) 0..3 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction
1
38431, 735523, 11250902, 133888216, 1325146542, 11455263558, 89662106062, 650918690817, 4462173467035, 29230230318745, 184726178618986, 1133900834827118, 6798098325193849, 39976870334808759, 231385881514622327
OFFSET
1,1
COMMENTS
Row 5 of A250707
LINKS
EXAMPLE
Some solutions for n=1
..1..0....0..0....1..2....0..0....0..2....1..0....0..2....0..0....0..0....1..2
..0..1....0..2....0..3....0..1....0..3....0..3....0..3....0..2....0..0....1..2
..0..2....0..2....1..3....0..2....2..1....2..1....2..1....2..1....1..3....2..1
..1..1....1..1....1..3....1..1....1..2....1..2....1..2....0..3....3..1....1..2
..1..2....1..1....2..2....1..3....0..3....1..2....0..3....1..3....1..3....2..2
..3..1....2..1....3..3....1..3....2..1....3..2....3..0....3..2....2..2....2..2
CROSSREFS
Sequence in context: A203792 A013873 A050766 * A362217 A330427 A289824
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 26 2014
STATUS
approved