A237842 Number of (n+1)X(n+1) 0..2 arrays with the maximum minus the lower median of every 2X2 subblock equal

81, 3419, 581994, 468296881, 1409401703979, 16830586464501926, 740597943169911196341, 126011977803745451656490469

Offset

1,1

Comments

Diagonal of A237850

Links

Table of n, a(n) for n=1..8.

Example

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

Crossrefs

Sequence in context: A232945 A345005 A223477 * A223501 A053108 A237100

Adjacent sequences: A237839 A237840 A237841 * A237843 A237844 A237845

Keyword

nonn

Author

R. H. Hardin, Feb 14 2014

Status

approved