A254817 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of four medians of central row, central column, diagonal and antidiagonal nondecreasing horizontally and vertically

833037, 13380696, 247721056, 4043573364, 59733054453, 913402797416, 12435035618491, 165816689112144, 2098552515955862, 25618296020002435, 301662634451212203, 3450835615101777070, 38441736014237132949

Offset

1,1

Comments

Column 6 of A254819

Links

R. H. Hardin, Table of n, a(n) for n = 1..76

Example

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

Crossrefs

Sequence in context: A256769 A254510 A254517 * A305827 A113150 A015390

Adjacent sequences: A254814 A254815 A254816 * A254818 A254819 A254820

Keyword

nonn

Author

R. H. Hardin, Feb 08 2015

Status

approved