login
A237473
Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock equal
0
81, 2529, 273756, 135347721, 244543486040, 1640648838595724, 38293825867854082781, 3176824313417920690502165, 919253305896358668335124292784
OFFSET
1,1
COMMENTS
Diagonal of A237481
EXAMPLE
Some solutions for n=2
..1..2..2....1..1..1....0..0..0....2..0..2....1..0..0....0..1..0....2..2..2
..1..0..1....0..2..1....2..0..2....1..2..1....0..2..0....2..0..2....1..1..1
..2..2..1....2..1..2....1..0..1....0..1..2....0..2..0....1..0..0....0..2..0
CROSSREFS
Sequence in context: A297606 A236729 A236147 * A282995 A295274 A206534
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 08 2014
STATUS
approved