A235740 Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise

26088, 2423417, 216691834, 17653658980, 1402427258099, 106304515215910, 7914658615624380, 575146083513956152, 41307358215548144931, 2929605081026887014590, 206340733128667590576464

Offset

1,1

Comments

Column 4 of A235742

Links

R. H. Hardin, Table of n, a(n) for n = 1..168

Example

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

Crossrefs

Sequence in context: A236599 A326931 A235195 * A236080 A115494 A236493

Adjacent sequences: A235737 A235738 A235739 * A235741 A235742 A235743

Keyword

nonn

Author

R. H. Hardin, Jan 15 2014

Status

approved