A238926 Number of (n+1)X(4+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

5008, 191086, 25080064, 2531484558, 265992385206, 27816714540010, 2912187511240098, 304661966072695432, 31883006383052084900, 3336384421665707208520, 349125379127023083318084

Offset

1,1

Comments

Column 4 of A238929

Links

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

Example

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

Crossrefs

Sequence in context: A138637 A140921 A295459 * A209908 A217985 A201178

Adjacent sequences: A238923 A238924 A238925 * A238927 A238928 A238929

Keyword

nonn

Author

R. H. Hardin, Mar 07 2014

Status

approved