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A205041 Number of (n+1)X4 0..6 arrays with the permanents of all 2X2 subblocks equal and nonzero 1
25108, 366378, 2587806, 30072178, 256406852, 2700120030, 24602390018, 249559797434, 2340396036268, 23389408831586, 222527499358064, 2210472308774864, 21208217602779222, 210157217608774748 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A205046

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..183

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A125268 A212726 A258542 * A252614 A253530 A190319

Adjacent sequences:  A205038 A205039 A205040 * A205042 A205043 A205044

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 21 2012

STATUS

approved

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Last modified October 23 23:05 EDT 2021. Contains 348217 sequences. (Running on oeis4.)