A237699 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

4700, 39236, 333508, 3004030, 26578184, 236841050, 2109752772, 18967505282, 169027123272, 1509396722124, 13489906100708, 120997556161304, 1080200848895788, 9651096798463826, 86312065065972436, 773073801408693908

Offset

1,1

Comments

Column 4 of A237703

Links

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

Example

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

Crossrefs

Sequence in context: A114542 A114568 A251135 * A235022 A223246 A330836

Adjacent sequences: A237696 A237697 A237698 * A237700 A237701 A237702

Keyword

nonn

Author

R. H. Hardin, Feb 11 2014

Status

approved