A250862 Number of (n+2)X(2+2) 0..3 arrays with nondecreasing sum of every three consecutive values in every row and column

4096000, 128000000, 4000000000, 125000000000, 1750000000000, 24500000000000, 343000000000000, 2941225000000000, 25221004375000000, 216270112515625000, 1328763571296000000, 8163923382042624000, 50159145259269881856

Offset

1,1

Comments

Column 2 of A250868

Links

R. H. Hardin, Table of n, a(n) for n = 1..101

Example

Some solutions for n=1
..0..0..0..1....0..0..0..2....2..0..0..2....2..0..0..2....0..0..0..1
..0..3..2..2....1..0..3..3....2..2..2..2....0..2..0..0....0..0..0..3
..2..2..2..2....0..1..3..1....0..2..1..2....0..0..3..0....2..0..2..2

Crossrefs

Sequence in context: A278199 A107023 A107024 * A345615 A346332 A333376

Adjacent sequences: A250859 A250860 A250861 * A250863 A250864 A250865

Keyword

nonn

Author

R. H. Hardin, Nov 28 2014

Status

approved