A253797 - OEIS

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

(list; graph; refs; listen; history; text; internal format)

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