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A205178 Number of (n+1)X6 0..3 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards 1
1284356, 431119786, 109885347688, 20824074630163, 3735895473961770, 542569301045830422, 77180383679719759430, 9710006986385118092924, 1208066992589598190873206, 140685731309191572681679896 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A205181

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..32

EXAMPLE

Some solutions for n=4

..3..1..3..1..3..3....0..2..2..1..2..0....1..0..3..3..3..3....2..0..3..0..2..0

..3..1..3..1..3..2....0..1..0..2..2..3....3..2..1..3..1..3....3..0..1..0..1..0

..3..1..3..1..3..3....1..3..2..0..3..0....0..1..3..3..3..3....2..0..3..1..0..1

..2..2..2..3..2..3....0..1..0..2..3..3....3..2..1..3..3..3....0..0..0..1..3..0

..2..2..2..3..3..3....3..2..3..0..3..0....2..1..3..3..3..3....3..3..3..2..1..3

CROSSREFS

Sequence in context: A118419 A250619 A091291 * A205663 A205952 A205463

Adjacent sequences:  A205175 A205176 A205177 * A205179 A205180 A205181

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 22 2012

STATUS

approved

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Last modified August 19 10:38 EDT 2022. Contains 356228 sequences. (Running on oeis4.)