A234396 - OEIS

A234396

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

426876528, 252617381130, 153633836957604, 93663449566825996, 57013958581658213102, 34696037232530719520210, 21116698962610436430894528, 12852396895935651456736863878, 7822385658444685379443292123666, 4760945352506831976382326845919840, 2897659599170366416727337624561993146

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

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..0....0..0..0....0..0..1....0..0..0....0..0..0

..3..2..3....2..2..3....0..0..0....0..0..3....0..0..1....1..3..3....0..3..3

..1..1..0....1..2..2....0..3..3....2..3..1....2..3..1....0..3..1....3..3..0

..0..0..1....1..2..2....3..2..0....2..3..2....0..2..3....3..0..2....3..0..3