A233704 Number of (n+2) X (4+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically, diagonally downwards or antidiagonally downwards.

15181195220, 22080932709668, 29152990437729687, 37843512136217016443, 48410484594138550226073, 61714352447379056742706212, 78497692060915241678261253880, 99782362522642396752387266566012

Offset

1,1

Comments

Column 4 of A233705.

Links

R. H. Hardin, Table of n, a(n) for n = 1..20

Example

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

Crossrefs

Cf. A233705.

Sequence in context: A038545 A186094 A023050 * A378315 A153432 A349324

Adjacent sequences: A233701 A233702 A233703 * A233705 A233706 A233707

Keyword

nonn

Author

R. H. Hardin, Dec 15 2013

Status

approved