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A205275 Number of (n+1)X4 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing 1
23244, 2940732, 390106512, 39435964246, 3697283479275, 284242642223529, 20121138995499259, 1250442099302828578, 72320360290510095168, 3818468956903932960671, 189710894331601371183344 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A205277

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

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

CROSSREFS

Sequence in context: A075784 A126301 A205176 * A133968 A337784 A333746

Adjacent sequences:  A205272 A205273 A205274 * A205276 A205277 A205278

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 24 2012

STATUS

approved

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Last modified April 23 09:36 EDT 2021. Contains 343204 sequences. (Running on oeis4.)