A250674 Number of (n+1)X(6+1) 0..3 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction

637948, 16949262, 345255872, 5726252240, 81461365899, 1009432228498, 11161659240791, 111900180498102, 1030597712205895, 8812068752088130, 70559356373093922, 532907016216005428, 3819559062732066364

Offset

1,1

Comments

Column 6 of A250676

Links

R. H. Hardin, Table of n, a(n) for n = 1..77

Example

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

Crossrefs

Sequence in context: A237909 A185476 A237903 * A378055 A210142 A183745

Adjacent sequences: A250671 A250672 A250673 * A250675 A250676 A250677

Keyword

nonn

Author

R. H. Hardin, Nov 26 2014

Status

approved