A233616 Number of (n+2)X(6+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

111082137228, 460194589763836, 1894224161834632818, 7793338521299515014276, 32058733769286960028633788, 131875420683502307856971387719, 542475945824577650443131126460974, 2231500634832787727689482063751544472

Offset

1,1

Comments

Column 6 of A233618

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..0..0..0..0....0..0..0..0..0..0..0..0
..0..0..0..0..0..2..2..1....0..0..0..0..0..2..2..1....0..0..0..0..0..0..1..1
..2..2..0..1..1..1..1..0....1..0..2..0..1..0..0..1....0..1..1..1..1..1..0..0

Crossrefs

Sequence in context: A074337 A072143 A233495 * A095427 A038454 A288275

Adjacent sequences: A233613 A233614 A233615 * A233617 A233618 A233619

Keyword

nonn

Author

R. H. Hardin, Dec 14 2013

Status

approved