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A238071
Number of (n+1)X(7+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
1
17963540, 1301417096, 69678083388, 4182799295184, 300828077426994, 21843683698746812, 1736639229342029538, 120723056177502522944, 9134690286446667742572, 685193215378517012130192
OFFSET
1,1
COMMENTS
Column 7 of A238072
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..1..2..3..1..2....0..0..0..2..1..2..3..1....0..0..1..2..1..0..1..3
..2..0..1..2..1..2..0..1....2..0..1..2..1..0..2..2....0..0..0..2..2..2..3..2
CROSSREFS
Sequence in context: A083619 A257550 A282670 * A271445 A073032 A222977
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 17 2014
STATUS
approved