A219518 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array.

7, 8, 111, 821, 5799, 37442, 241413, 1557761, 9826087, 59070992, 337978798, 1850253044, 9729774437, 49228958731, 239944892209, 1128409561360, 5129688218941, 22582954455191, 96444280283840, 400188527441697

Offset

1,1

Comments

Column 7 of A219519

Links

R. H. Hardin, Table of n, a(n) for n = 1..146

Example

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

Crossrefs

Sequence in context: A192373 A354011 A103680 * A029496 A041109 A041110

Adjacent sequences: A219515 A219516 A219517 * A219519 A219520 A219521

Keyword

nonn

Author

R. H. Hardin, Nov 21 2012

Status

approved