A254800 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

47816, 121701, 362924, 1075560, 3369689, 11139423, 33038951, 101966575, 299746659, 918337028, 2734158171, 8245249775, 24762486913, 74914476443, 228202658309, 695565801656, 2134961468514, 6546088696054, 20191667530977

Offset

1,1

Comments

Column 4 of A254804

Links

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

Example

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

Crossrefs

Sequence in context: A261339 A166003 A221017 * A254807 A253816 A190927

Adjacent sequences: A254797 A254798 A254799 * A254801 A254802 A254803

Keyword

nonn

Author

R. H. Hardin, Feb 08 2015

Status

approved