A185746 Number of (n+1)X6 binary arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace

344, 12656, 273928, 6315600, 145680504, 3364965408, 77691779712, 1793861476320, 41418279791200, 956315991414968, 22080608517930968, 509824185307237024, 11771444685645427560, 271793504996468885512, 6275500804116966427856

Offset

1,1

Comments

Column 5 of A185750

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 3X6
..0..0..1..1..0..1....0..1..1..1..1..1....0..1..0..1..0..0....1..0..1..1..0..1
..1..1..1..0..0..0....0..1..0..0..0..0....0..0..0..0..0..1....0..0..1..1..1..1
..0..0..0..0..0..0....0..1..0..1..0..0....1..0..1..0..0..1....0..1..1..1..0..0

Crossrefs

Sequence in context: A065499 A183673 A231028 * A202904 A086028 A220650

Adjacent sequences: A185743 A185744 A185745 * A185747 A185748 A185749

Keyword

nonn

Author

R. H. Hardin Feb 01 2011

Status

approved