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A204732 T(n,k) = Number of (n+1) X (k+1) 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero. 9
544, 1624, 1624, 4772, 12744, 4772, 15688, 44726, 44726, 15688, 50920, 353626, 264998, 353626, 50920, 171860, 1425462, 2122560, 2122560, 1425462, 171860, 576738, 10332706, 14348560, 45026614, 14348560, 10332706, 576738, 1965706 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.....544......1624.......4772........15688..........50920...........171860

....1624.....12744......44726.......353626........1425462.........10332706

....4772.....44726.....264998......2122560.......14348560........108530190

...15688....353626....2122560.....45026614......304649012.......6063334774

...50920...1425462...14348560....304649012.....3884003062......72313926190

..171860..10332706..108530190...6063334774....72313926190....3923500974342

..576738..45388048..763490340..44356355508..1027778516124...49973876676266

.1965706.307057212.5669180550.831511885930.17963607952810.2620184692100666

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..112

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A250854 A250685 A051305 * A204725 A266136 A204724

Adjacent sequences:  A204729 A204730 A204731 * A204733 A204734 A204735

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Jan 18 2012

STATUS

approved

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Last modified September 25 12:38 EDT 2021. Contains 347654 sequences. (Running on oeis4.)