A237788 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

14369, 367726, 9679862, 256311790, 6776019974, 178512761384, 4719215160352, 124491992110564, 3291189351446428, 86781113390907628, 2294272449796529692, 60504261616217262684, 1599566865451349739950, 42181079672005552386760

Offset

1,1

Comments

Column 3 of A237791

Links

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

Example

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

Crossrefs

Sequence in context: A228468 A296813 A234678 * A106725 A253266 A190469

Adjacent sequences: A237785 A237786 A237787 * A237789 A237790 A237791

Keyword

nonn

Author

R. H. Hardin, Feb 13 2014

Status

approved