A219131 Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..2 4Xn array

81, 253, 6981, 42231, 717585, 5940377, 80892559, 781927421, 9569579009, 99563194119, 1158353288989, 12479863472959, 141758613941473, 1552733071485933, 17438598795150161, 192510267581544599

Offset

1,1

Comments

Row 4 of A219128

Links

R. H. Hardin, Table of n, a(n) for n = 1..24

Example

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

Crossrefs

Sequence in context: A206142 A225027 A225020 * A236789 A236798 A237067

Adjacent sequences: A219128 A219129 A219130 * A219132 A219133 A219134

Keyword

nonn

Author

R. H. Hardin Nov 12 2012

Status

approved