A233798 Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards

371832256, 192011782168, 94758748460662, 46594846574940781, 22806671303330767604, 11157949837273485489278, 5456414063366528716336000, 2668132339800465336095906395, 1304630799758042563143081408340

Offset

1,1

Comments

Column 3 of A233801

Links

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

Example

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

Crossrefs

Sequence in context: A233804 A112445 A101640 * A230528 A129248 A204807

Adjacent sequences: A233795 A233796 A233797 * A233799 A233800 A233801

Keyword

nonn

Author

R. H. Hardin, Dec 16 2013

Status

approved