A234067 Number of (n+2)X(7+2) 0..3 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

2859193780644876, 306554863282538650963, 32156510655168186055908916, 3371759671693606050632389947964, 353198620593124509847927806748908040, 36997221315280425069489592402754407276751

Offset

1,1

Comments

Column 7 of A234068

Links

R. H. Hardin, Table of n, a(n) for n = 1..166

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

Crossrefs

Sequence in context: A335394 A233844 A104282 * A172576 A037249 A008913

Adjacent sequences: A234064 A234065 A234066 * A234068 A234069 A234070

Keyword

nonn

Author

R. H. Hardin, Dec 19 2013

Status

approved