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A204788 Number of (n+1)X6 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero 1
688431, 59657161, 708088685, 41778004243, 720594943717, 32915600155409, 699103684825857, 27409969099764031, 657930562520525815, 23569034319280896259, 608369271192524430611, 20662110174340562886959 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A204791

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..14

EXAMPLE

Some solutions for n=4

..3..3..5..5..5..6....7..0..7..3..3..0....1..7..2..4..0..4....7..5..7..7..7..1

..2..3..0..3..0..3....2..3..7..0..7..7....4..0..4..6..7..2....7..2..7..0..7..6

..3..3..5..7..5..3....7..0..7..3..2..1....2..7..2..4..0..4....7..5..7..7..7..1

..2..3..0..3..0..3....2..3..7..0..7..7....4..0..4..6..7..7....0..7..0..7..0..7

..1..6..5..0..5..2....7..0..7..3..0..3....6..7..2..4..0..4....7..2..7..5..7..2

CROSSREFS

Sequence in context: A238144 A205280 A185922 * A254773 A254780 A254726

Adjacent sequences:  A204785 A204786 A204787 * A204789 A204790 A204791

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 19 2012

STATUS

approved

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Last modified July 30 02:44 EDT 2021. Contains 346347 sequences. (Running on oeis4.)