A203395 Number of nX6 0..3 arrays with every nonzero element less than or equal to some NW, E or S neighbor

1, 83876, 163500122, 156174348536, 146110498224967, 149902909246835321, 154961643794311169996, 158148980522829167340325, 161146544980100852067260986, 164476130276533308144689941035

Offset

1,2

Comments

Column 6 of A203397

Links

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

Example

Some solutions for n=4
..2..2..0..2..3..0....1..3..0..2..3..2....3..0..1..3..2..0....0..2..3..1..1..0
..3..2..0..1..3..1....1..3..3..3..3..3....3..3..3..3..3..0....0..2..3..0..2..2
..3..3..2..1..3..2....1..2..0..1..3..2....0..3..0..3..2..1....0..0..3..2..3..2
..3..3..0..1..3..3....0..2..2..1..1..0....0..2..2..3..3..0....1..1..3..3..3..3

Crossrefs

Sequence in context: A202933 A013885 A205197 * A333683 A295470 A237492

Adjacent sequences: A203392 A203393 A203394 * A203396 A203397 A203398

Keyword

nonn

Author

R. H. Hardin Jan 01 2012

Status

approved