login
A237805
Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock equal
1
4251, 65777, 932255, 14666689, 226466977, 3610379651, 57208751041, 917186234601, 14670753459691, 235787348326225, 3786543353023327, 60941042110079321, 980655931649320541, 15798662811986093729
OFFSET
1,1
COMMENTS
Column 4 of A237809
LINKS
EXAMPLE
Some solutions for n=2
..1..0..0..2..0....0..2..0..2..0....2..0..2..0..1....2..1..2..1..0
..2..2..2..0..2....0..2..1..2..1....2..2..0..2..2....2..2..1..2..0
..0..0..2..2..0....2..2..0..2..0....0..1..2..2..0....2..1..0..1..1
CROSSREFS
Sequence in context: A204872 A204638 A205995 * A031985 A138399 A224725
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 13 2014
STATUS
approved