A253797 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal median nondecreasing horizontally and vertically

66144, 1143216, 19600428, 300044272, 4147335800, 55154148308, 715315448772, 9131342831212, 115857078625612, 1466202791980592, 18529834096701744, 234042607294561560, 2955370997638617112, 37314547733012673212

Offset

1,1

Comments

Column 4 of A253801

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A194430 A254192 A254185 * A241978 A212583 A156424

Adjacent sequences: A253794 A253795 A253796 * A253798 A253799 A253800

Keyword

nonn

Author

R. H. Hardin, Jan 13 2015

Status

approved