A257382 Number of (n+2)X(3+2) 0..2 arrays with no 3x3 subblock diagonal sum equal to the antidiagonal sum or central row sum less than the central column sum

1719620, 20611600, 190904784, 2462144400, 38404362240, 560006768896, 7744856653728, 111070015128576, 1628167615958016, 23324716086770596, 329336531244891208, 4700007297889800484, 67568560725185179824

Offset

1,1

Comments

Column 3 of A257385

Links

R. H. Hardin, Table of n, a(n) for n = 1..169

Example

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

Crossrefs

Cf. A257385

Sequence in context: A207796 A235847 A307962 * A233633 A151639 A083646

Adjacent sequences: A257379 A257380 A257381 * A257383 A257384 A257385

Keyword

nonn

Author

R. H. Hardin, Apr 21 2015

Status

approved