A253404 Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally

106540, 158472, 367348, 1739014, 7257328, 30756372, 139685535, 611083732, 2505801666, 11760240950, 51156497409, 209639338350, 979215293850, 4271572805108, 17484529944528, 81652430007950, 356227153618534

Offset

1,1

Comments

Column 5 of A253407

Links

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

Example

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

Crossrefs

Sequence in context: A184646 A237542 A237081 * A223343 A028466 A157105

Adjacent sequences: A253401 A253402 A253403 * A253405 A253406 A253407

Keyword

nonn

Author

R. H. Hardin, Dec 31 2014

Status

approved