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A183970 Number of (n+1)X8 0..2 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 0
3606201, 584520435, 105022040225, 22112885527475, 4720827195840383 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A183971

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for 3X8

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

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

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

...

...2..2..2..2..2..2..2.......3..3..2..2..3..3..2.......2..2..3..3..2..3..3...

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

CROSSREFS

Sequence in context: A209911 A235077 A214173 * A251305 A252499 A235970

Adjacent sequences:  A183967 A183968 A183969 * A183971 A183972 A183973

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified July 25 12:15 EDT 2021. Contains 346290 sequences. (Running on oeis4.)