A233800 Number of (n+2) X (5+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards.

812933550972, 4668375990645847, 24940318640151913796, 132318298848376805531946, 696335750576600035943980882, 3660632711048615850538312749925, 19226671451146536041992497724905792

Offset

1,1

Comments

Column 5 of A233801.

Links

R. H. Hardin, Table of n, a(n) for n = 1..22

Example

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

Crossrefs

Cf. A233801.

Sequence in context: A233806 A066543 A323533 * A162027 A172616 A233487

Adjacent sequences: A233797 A233798 A233799 * A233801 A233802 A233803

Keyword

nonn

Author

R. H. Hardin, Dec 16 2013

Status

approved