A217453 Number of nX4 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX4 array

17, 253, 4361, 60821, 939819, 14031423, 211328743, 3180307843, 47838403809, 719805267377, 10830069725301, 162944007417041, 2451637787845531, 36886610473790015, 554987642859441971, 8350208249838881107

Offset

1,1

Comments

Column 4 of A217457

Links

R. H. Hardin, Table of n, a(n) for n = 1..23

Example

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

Crossrefs

Sequence in context: A214175 A309856 A201302 * A015675 A029462 A098302

Adjacent sequences: A217450 A217451 A217452 * A217454 A217455 A217456

Keyword

nonn

Author

R. H. Hardin Oct 03 2012

Status

approved