A200967 Number of n X n 0..6 arrays with every row and column running average nondecreasing rightwards and downwards

7, 336, 110854, 250149820, 3807002935896

Offset

1,1

Comments

Diagonal of A200974

Links

Table of n, a(n) for n=1..5.

Example

Some solutions for n=3
..1..4..3....0..2..4....0..1..1....0..1..2....0..0..2....0..0..0....1..2..3
..2..6..5....2..5..4....1..1..4....2..2..5....2..4..3....0..2..4....5..5..6
..3..5..4....2..5..5....4..5..6....3..5..6....1..5..5....4..5..5....3..6..6

Crossrefs

Sequence in context: A281619 A054325 A161582 * A068150 A195803 A263220

Adjacent sequences: A200964 A200965 A200966 * A200968 A200969 A200970

Keyword

nonn

Author

R. H. Hardin Nov 25 2011

Status

approved