A253957 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

82064, 1022752, 15946360, 240903042, 3624943928, 55018824334, 841599218625, 12790357848678, 195129091152213, 2966622722008784, 45227470200104949, 687980379217768688, 10480983155284038177, 159465825628277468824

Offset

1,1

Comments

Column 4 of A253961

Links

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

Example

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

Crossrefs

Sequence in context: A361934 A283418 A330872 * A253964 A253760 A204667

Adjacent sequences: A253954 A253955 A253956 * A253958 A253959 A253960

Keyword

nonn

Author

R. H. Hardin, Jan 20 2015

Status

approved