A201104 Number of nX4 0..7 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other

213, 103, 235661, 267814, 751183732, 776236449

Offset

1,1

Comments

Column 4 of A201105

Links

Table of n, a(n) for n=1..6.

Example

Some solutions for n=2
..0..2..1..4....0..2..6..3....0..2..3..5....0..1..4..3....0..3..2..4
..3..5..7..6....1..4..7..5....1..7..4..6....2..6..5..7....1..6..5..7

Crossrefs

Sequence in context: A079794 A197106 A138568 * A092126 A252032 A252025

Adjacent sequences: A201101 A201102 A201103 * A201105 A201106 A201107

Keyword

nonn

Author

R. H. Hardin Nov 26 2011

Status

approved