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A184667 Number of (n+1)X4 0..3 arrays with no 2X2 subblock summing to less than 6 1
19269, 2405797, 266060160, 30765364899, 3509487618613, 402221585928132, 46028365937520330, 5269979734803579913, 603279614829234560146, 69064202595023175071177, 7906407074804511304606829 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A184673

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X4

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

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

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

CROSSREFS

Sequence in context: A035925 A186875 A251803 * A280555 A031831 A252901

Adjacent sequences:  A184664 A184665 A184666 * A184668 A184669 A184670

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 19 2011

STATUS

approved

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Last modified August 19 08:14 EDT 2019. Contains 326115 sequences. (Running on oeis4.)