A233496 Number of (n+2)X(7+2) 0..2 arrays with no increasing sequence of length 3 horizontally or antidiagonally downwards

2505862495421, 28176593184596215, 313901395869006316016, 3494520906921840428076304, 38891474395238135873952939275, 432821541000735919144507449122965, 4816818414167397900878136977065117439

Offset

1,1

Comments

Column 7 of A233497

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

Crossrefs

Sequence in context: A317289 A361935 A136174 * A233617 A323052 A015434

Adjacent sequences: A233493 A233494 A233495 * A233497 A233498 A233499

Keyword

nonn

Author

R. H. Hardin, Dec 11 2013

Status

approved