A254174 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

6440848, 217539476, 9378850720, 399587109728, 16524431408400, 676750215074144, 27196332026497280, 1084445796373438616, 43207926374198188784, 1720925651447157696832, 68523513350608477133408

Offset

1,1

Comments

Row 7 of A254168

Links

R. H. Hardin, Table of n, a(n) for n = 1..88

Example

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

Crossrefs

Sequence in context: A295481 A297327 A268843 * A254167 A254456 A254090

Adjacent sequences: A254171 A254172 A254173 * A254175 A254176 A254177

Keyword

nonn

Author

R. H. Hardin, Jan 26 2015

Status

approved