A237948 Number of (n+1)X(3+1) 0..3 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

8291, 102396, 1268436, 17612024, 235951750, 3242667656, 44334957288, 616683845628, 8455956865056, 116500230730864, 1604871798632138, 22234964614324948, 306090461372206604, 4218782034139271708

Offset

1,1

Comments

Column 3 of A237951

Links

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

Example

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

Crossrefs

Sequence in context: A031769 A280872 A329342 * A362578 A250991 A206192

Adjacent sequences: A237945 A237946 A237947 * A237949 A237950 A237951

Keyword

nonn

Author

R. H. Hardin, Feb 16 2014

Status

approved