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A205203 Number of (n+1) X 6 0..2 arrays with the permanents of 2 X 2 subblocks nondecreasing rightwards and downwards. 1
68508, 7041879, 560385415, 37528599466, 2353566223899, 131318571494136, 7124820848193635, 363421762269355745, 18279521846710009659, 892510363274222334088, 43281103413691988927914, 2070850702594997623312733 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A205206.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Cf. A205206.

Sequence in context: A206665 A206174 A205428 * A205061 A093217 A224426

Adjacent sequences:  A205200 A205201 A205202 * A205204 A205205 A205206

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 23 2012

STATUS

approved

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Last modified May 23 16:11 EDT 2022. Contains 353976 sequences. (Running on oeis4.)