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A184670 Number of (n+1)X7 0..3 arrays with no 2X2 subblock summing to less than 6 1
27278035, 117938741095, 402221585928132, 1498459859767029015, 5429971895805945122143, 19869188673828370548366580, 72469574283521150229737165516, 264615725211389828099780842721919 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A184673

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..58

EXAMPLE

Some solutions for 3X7

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

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

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

CROSSREFS

Sequence in context: A046509 A327281 A251806 * A069342 A151698 A202571

Adjacent sequences:  A184667 A184668 A184669 * A184671 A184672 A184673

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 19 2011

STATUS

approved

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Last modified September 21 05:55 EDT 2020. Contains 337267 sequences. (Running on oeis4.)