A237100 Number of (n+1)X(n+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock equal

81, 3787, 848549, 1032827165, 5870133564899, 153501837729691233, 17966786586499994357043, 9464450815584141936194129755, 22345321168723592516841966285661051

Offset

1,1

Comments

Diagonal of A237108

Links

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

Example

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

Crossrefs

Sequence in context: A237842 A223501 A053108 * A245665 A016888 A205238

Adjacent sequences: A237097 A237098 A237099 * A237101 A237102 A237103

Keyword

nonn

Author

R. H. Hardin, Feb 03 2014

Status

approved