A267641 Number of nX5 0..1 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order.

7, 98, 429, 2887, 8917, 47715, 128441, 647101, 1614281, 8168679, 19332185, 101212349, 229707509, 1260768903, 2761416109, 15947280405, 33873126897, 205385367891, 424974329569, 2690957511285, 5447493560049, 35782122811899

Offset

1,1

Comments

Column 5 of A267644.

Links

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

R. H. Hardin, Empirical recurrence of order 93

Formula

Empirical recurrence of order 93 (see link above)

Example

Some solutions for n=6
..0..1..1..0..1....0..0..1..0..1....0..1..0..1..1....0..1..0..1..0
..0..1..0..1..0....1..0..0..1..0....1..0..1..0..1....1..0..1..0..1
..1..0..1..0..1....0..1..1..0..1....0..1..1..0..0....0..1..0..1..0
..0..0..1..1..0....1..0..1..0..0....1..0..0..1..0....1..0..1..0..1
..1..1..0..1..0....0..1..0..1..0....0..0..1..0..1....1..1..0..0..1
..1..0..1..0..1....0..1..1..0..1....1..1..0..1..0....0..0..1..1..0

Crossrefs

Cf. A267644.

Sequence in context: A157035 A022008 A200504 * A267669 A288681 A124092

Adjacent sequences: A267638 A267639 A267640 * A267642 A267643 A267644

Keyword

nonn

Author

R. H. Hardin, Jan 18 2016

Status

approved