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A204789 Number of (n+1)X7 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero 0
2831919, 986079019, 8567876319, 3696936217731, 32915600155409 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A204791

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A204744 A258563 A204413 * A204524 A321669 A237944

Adjacent sequences:  A204786 A204787 A204788 * A204790 A204791 A204792

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 19 2012

STATUS

approved

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Last modified September 23 19:03 EDT 2021. Contains 347617 sequences. (Running on oeis4.)