A254995 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally and vertically.

193488, 1939341, 24807024, 279655310, 2907772796, 31738435946, 351447919966, 3833363797172, 41743093666360, 456056905795539, 4979846553780518, 54312019450639222, 592413068721884128, 6463047248456331263

Offset

1,1

Comments

Column 5 of A254998

Links

R. H. Hardin, Table of n, a(n) for n = 1..171

Example

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

Crossrefs

Cf. A254998

Sequence in context: A236616 A258515 A258508 * A232202 A344630 A131907

Adjacent sequences: A254992 A254993 A254994 * A254996 A254997 A254998

Keyword

nonn

Author

R. H. Hardin, Feb 11 2015

Status

approved