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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A185467

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..18

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

Adjacent sequences:  A185455 A185456 A185457 * A185459 A185460 A185461

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 28 2011

STATUS

approved

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Last modified January 16 09:13 EST 2021. Contains 340204 sequences. (Running on oeis4.)