A237320 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

6608, 79360, 949596, 12331794, 156958400, 1937821588, 23858930168, 317722513312, 4139126948816, 52268979025592, 656729527016504, 8887663666467120, 117725142109997232, 1512493223557177738

Offset

1,1

Comments

Column 4 of A237324

Links

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

Example

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

Crossrefs

Sequence in context: A317247 A290281 A178213 * A237726 A345561 A345816

Adjacent sequences: A237317 A237318 A237319 * A237321 A237322 A237323

Keyword

nonn

Author

R. H. Hardin, Feb 06 2014

Status

approved