A254802 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

618856, 1351487, 3598070, 11202222, 36042356, 96309005, 238103801, 525494884, 1506994147, 4139903099, 11764995474, 31290573704, 88480288728, 253051501122, 727283120714, 2089269652552, 5949174391537, 17124088568470, 49150997914813

Offset

1,1

Comments

Column 6 of A254804

Links

R. H. Hardin, Table of n, a(n) for n = 1..149

Example

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

Crossrefs

Sequence in context: A257208 A122131 A238053 * A254809 A253818 A341891

Adjacent sequences: A254799 A254800 A254801 * A254803 A254804 A254805

Keyword

nonn

Author

R. H. Hardin, Feb 08 2015

Status

approved