A232351 Number of (n+1)X(7+1) 0..2 arrays with every element both >= and <= some horizontal, vertical, diagonal or antidiagonal neighbor

4251717, 26307585827, 112198453386465, 515279597419726895, 2421920880450861585787, 11349881293706452086231231, 53109062021406984304908116217, 248541205192854036679733398713923

Offset

1,1

Comments

Column 7 of A232352

Links

R. H. Hardin, Table of n, a(n) for n = 1..13

Example

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

Crossrefs

Sequence in context: A283033 A209395 A159714 * A210308 A205271 A234168

Adjacent sequences: A232348 A232349 A232350 * A232352 A232353 A232354

Keyword

nonn

Author

R. H. Hardin, Nov 22 2013

Status

approved