A233799 Number of (n+2)X(4+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards

17394286865, 29957246808751, 48635344266106500, 78542994416390783342, 126052094387188030034149, 202149074675728225800166481, 323977793916391528232106458878, 519181837757492246096391046833743

Offset

1,1

Comments

Column 4 of A233801

Links

R. H. Hardin, Table of n, a(n) for n = 1..78

Example

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

Crossrefs

Sequence in context: A308683 A101815 A113643 * A330278 A202724 A115537

Adjacent sequences: A233796 A233797 A233798 * A233800 A233801 A233802

Keyword

nonn

Author

R. H. Hardin, Dec 16 2013

Status

approved