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A183969 Number of (n+1) X 9 0..2 arrays with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one. 0
22235391, 6415409881, 2080498882227, 802997664018905, 314952766527081107 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 8 of A183971.
LINKS
EXAMPLE
Some solutions for 3 X 9
..0..0..0..0..2..0..0..0..0....0..0..0..0..2..0..1..1..0
..1..0..1..0..0..0..1..0..1....1..0..1..0..0..0..0..0..0
..0..0..0..0..1..1..0..0..1....0..0..0..0..1..1..0..2..0
...
...1..1..1..2..2..1..1..1.......1..1..1..2..2..1..2..1...
...1..1..1..1..2..2..1..2.......1..1..1..1..2..1..2..2...
CROSSREFS
Cf. A183971.
Sequence in context: A184375 A183799 A205096 * A112644 A179710 A069317
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 08 2011
STATUS
approved

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Last modified March 28 13:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)