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A205039 Number of (n+1)X2 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero 1
2232, 7648, 25108, 97256, 364646, 1451748, 5692570, 22899170, 91639862, 371544770, 1505695432, 6150562826, 25165213894, 103545082720, 427115124640, 1769624379940, 7352437690658, 30661284648496, 128223791398208 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A205046

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A208181 A252644 A205046 * A205981 A205038 A279661

Adjacent sequences:  A205036 A205037 A205038 * A205040 A205041 A205042

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 21 2012

STATUS

approved

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Last modified October 23 21:27 EDT 2021. Contains 348217 sequences. (Running on oeis4.)