A250534 Number of (n+1)X(6+1) 0..3 arrays with nondecreasing max(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.

559824, 10248336, 142934266, 1660642705, 16593620611, 147966207622, 1206582455860, 9161797846382, 65815657637488, 451382788443396, 2986432140922546, 19151636210288155, 119897524618383239

Offset

1,1

Comments

Column 6 of A250536

Links

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

Example

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

Crossrefs

Sequence in context: A184475 A233916 A206194 * A234207 A124514 A100416

Adjacent sequences: A250531 A250532 A250533 * A250535 A250536 A250537

Keyword

nonn

Author

R. H. Hardin, Nov 24 2014

Status

approved