A254019 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

1267488, 2368198, 6432784, 21891465, 18851978, 28891318, 45398628, 57587604, 84247446, 134567960, 203688560, 338663188, 575964872, 955930974, 1656679682, 2897733371, 4993925438, 8874126971, 15702627844, 27852983633, 50014965354

Offset

1,1

Comments

Column 7 of A254020

Links

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

Example

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

Crossrefs

Sequence in context: A180624 A081430 A254026 * A254893 A232203 A147670

Adjacent sequences: A254016 A254017 A254018 * A254020 A254021 A254022

Keyword

nonn

Author

R. H. Hardin, Jan 22 2015

Status

approved