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A204876 T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero. 9
207, 551, 551, 1467, 3167, 1467, 4245, 10397, 10397, 4245, 12241, 59377, 53311, 59377, 12241, 36285, 219871, 337179, 337179, 219871, 36285, 107397, 1174669, 1912223, 4256141, 1912223, 1174669, 107397, 321317, 4655229, 11644559, 27234451 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

....207......551......1467........4245........12241..........36285

....551.....3167.....10397.......59377.......219871........1174669

...1467....10397.....53311......337179......1912223.......11644559

...4245....59377....337179.....4256141.....27234451......320519921

..12241...219871...1912223....27234451....282748327.....3677014705

..36285..1174669..11644559...320519921...3677014705....94493071327

.107397..4655229..67916249..2202663919..41067117035..1170722541163

.321317.23670949.409180861.24594710265.514372854783.28674816027923

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..180

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

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

CROSSREFS

Sequence in context: A045069 A199497 A179171 * A204869 A217297 A205198

Adjacent sequences:  A204873 A204874 A204875 * A204877 A204878 A204879

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Jan 20 2012

STATUS

approved

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Last modified October 18 19:15 EDT 2021. Contains 348069 sequences. (Running on oeis4.)