A203608 Number of nX6 0,1 arrays with adjacent row and column sums unequal

2, 332, 25788, 1649668, 98676048, 5616280768, 310153746516, 16801526882832, 897690327775816, 47468771461397680, 2490387212942596588

Offset

1,1

Comments

Column 6 of A203610

Links

Table of n, a(n) for n=1..11.

Example

Some solutions for 4X4
..0..0..1..1..0..0....0..1..0..0..0..1....0..0..1..0..1..0....1..0..0..0..0..1
..0..1..1..1..1..1....0..1..1..0..0..1....0..1..0..1..1..1....1..0..1..0..1..1
..0..1..1..1..0..1....1..0..0..0..0..0....0..0..1..1..1..0....1..1..1..1..1..1
..1..0..0..1..0..1....1..1..0..0..1..0....0..0..0..1..1..0....0..1..1..0..1..1

Crossrefs

Sequence in context: A173750 A088250 A142355 * A264942 A159488 A083863

Adjacent sequences: A203605 A203606 A203607 * A203609 A203610 A203611

Keyword

nonn

Author

R. H. Hardin Jan 03 2012

Status

approved