login
A185458
Number of (n+1)X(n+1) binary arrays with no 2X2 subblock determinant equal to any horizontal or vertical neighbor 2X2 subblock determinant
1
16, 92, 866, 13977, 265724, 11083678, 560051658, 65404659846, 9335228454364, 3094788312788324, 1254062946005871088, 1180690397907898894604, 1358747319295346555003560, 3633103600068550758778045101
OFFSET
1,1
COMMENTS
Diagonal of A185467
LINKS
EXAMPLE
Some solutions for 3X3
..0..0..1....1..0..0....1..1..0....0..1..0....0..1..1....1..0..1....0..0..1
..0..1..0....0..1..1....1..1..1....1..0..1....0..1..0....1..1..0....0..1..1
..1..0..1....0..1..0....0..1..1....0..1..0....1..0..0....0..0..1....1..0..0
CROSSREFS
Sequence in context: A170920 A027938 A301527 * A108676 A304344 A316215
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 28 2011
STATUS
approved