A237091 Number of (n+1) X (n+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2 X 2 subblock equal.

81, 1735, 95954, 14756791, 5118051860, 5288981745228, 10967135442162585, 75684078146093801635, 911544449456708216247280

Offset

1,1

Comments

Diagonal of A237099.

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Cf. A237099.

Sequence in context: A237503 A268974 A206677 * A253306 A237801 A328683

Adjacent sequences: A237088 A237089 A237090 * A237092 A237093 A237094

Keyword

nonn

Author

R. H. Hardin, Feb 03 2014

Status

approved