A250681 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 absolute value of x(i,j)-x(i-1,j) in the j direction.

53032, 1185860, 22408818, 379890972, 5803025694, 81461365899, 1070591197687, 13342424067588, 159420803863398, 1840705572880672, 20670321639041067, 226864703962443259, 2443264607642994051, 25901583586093676145

Offset: 1

Author

R. H. Hardin, Nov 26 2014

Keywords

• nonn

Comments

Row 5 of A250676

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210