A267664 Number of nX5 0..1 arrays with every repeated value in every row unequal to the previous repeated value, and in every column equal to the previous repeated value, and new values introduced in row-major sequential order.

7, 98, 1372, 10933, 80404, 528980, 3351233, 20607770, 124968034, 751679881, 4503526606, 26944093086, 161168152537, 964705429660, 5780078807152, 34674075257785, 208263171976478, 1252461099135084, 7541064630678427

Offset

1,1

Comments

Column 5 of A267667.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=5
..0..0..1..0..1....0..1..1..0..1....0..1..0..1..1....0..1..0..0..1
..0..1..1..0..0....1..0..0..1..1....0..1..1..0..0....1..0..0..1..0
..0..1..0..0..1....0..0..1..0..1....1..0..0..1..0....0..1..0..0..1
..0..1..1..0..1....0..0..1..1..0....0..1..0..0..1....0..1..0..0..1
..1..0..1..1..0....0..1..1..0..1....1..0..1..0..0....0..1..1..0..1

Crossrefs

Cf. A267667.

Sequence in context: A036293 A133679 A219406 * A237022 A156266 A234873

Adjacent sequences: A267661 A267662 A267663 * A267665 A267666 A267667

Keyword

nonn

Author

R. H. Hardin, Jan 19 2016

Status

approved