A217641 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..2 nX4 array

17, 91, 877, 8363, 80653, 779051, 7531727, 72877045, 704989101, 6820892171, 65993636901, 638497154509, 6177606843163, 59769632055785, 578284005053917, 5595022879846267, 54133051863934891, 523748973561990577

Offset

1,1

Comments

Column 4 of A217645

Links

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

Example

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

Crossrefs

Sequence in context: A061222 A371492 A228462 * A213574 A253259 A119783

Adjacent sequences: A217638 A217639 A217640 * A217642 A217643 A217644

Keyword

nonn

Author

R. H. Hardin Oct 09 2012

Status

approved