A258951 Number of (n+3)X(2+3) 0..1 arrays with no 4x4 subblock diagonal sum not equal the antidiagonal sum

80000, 213920, 605904, 1724976, 4964896, 14867112, 44522440, 134384448, 410930808, 1260815840, 3895391352, 12098662888, 37721194992, 118143270584, 371262795592, 1170540703680, 3702141701352, 11740406194384, 37331111667992

Offset

1,1

Comments

Column 2 of A258957

Links

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

Example

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

Crossrefs

Cf. A258957

Sequence in context: A229700 A112785 A106775 * A234756 A133379 A250335

Adjacent sequences: A258948 A258949 A258950 * A258952 A258953 A258954

Keyword

nonn

Author

R. H. Hardin, Jun 15 2015

Status

approved