A238934 Number of (5+1)X(n+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors

2052, 2391340, 873385842, 265992385206, 98434762200590, 38480818139601754, 14789656640304963214, 5616732600256918423102, 2133452852622994959888734, 811856533135558118979635054, 309052850868582773597055178572

Offset

1,1

Comments

Row 5 of A238929

Links

R. H. Hardin, Table of n, a(n) for n = 1..18

Example

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

Crossrefs

Sequence in context: A206068 A280021 A168190 * A084550 A020400 A068723

Adjacent sequences: A238931 A238932 A238933 * A238935 A238936 A238937

Keyword

nonn

Author

R. H. Hardin, Mar 07 2014

Status

approved