A220764 Number of 4Xn arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 4Xn array

256, 956, 68212, 548130, 21154028, 252705768, 7140289348, 106444390252, 2538132156370, 42707545977344, 928959886709234, 16705185128697224, 345677236914253406, 6446898251377310532, 129826343410954387220

Offset

1,1

Comments

Row 4 of A220761

Links

R. H. Hardin, Table of n, a(n) for n = 1..84

Example

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

Crossrefs

Sequence in context: A237090 A224968 A237083 * A135272 A205595 A255663

Adjacent sequences: A220761 A220762 A220763 * A220765 A220766 A220767

Keyword

nonn

Author

R. H. Hardin Dec 19 2012

Status

approved