A266054 Number of nX7 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself.

77, 26350, 1590691, 454759923, 117167373425, 30258541759225, 7819198018954698, 2018745468244312739, 521534742484608022870, 134708454094627645520858, 34796405128906288428492776, 8987960227810205008942677291

Offset

1,1

Comments

Column 7 of A266055.

Links

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

Example

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

Crossrefs

Cf. A266055.

Sequence in context: A115616 A226256 A120799 * A267956 A267910 A271243

Adjacent sequences: A266051 A266052 A266053 * A266055 A266056 A266057

Keyword

nonn

Author

R. H. Hardin, Dec 20 2015

Status

approved