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A234159 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock having the absolute values of all six edge and diagonal differences no larger than 1 1
131896, 19801468, 2976757624, 454899880956, 69879798953496, 10766110422202828, 1661285969383854576, 256592627333578277468, 39657016096949653310360, 6131908000745739371586100 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A234161
LINKS
EXAMPLE
Some solutions for n=1
..2..1..2..2..1..0..0....1..2..1..2..3..3..2....1..2..1..2..1..2..1
..1..1..2..2..1..1..1....1..1..2..2..3..3..2....2..1..1..2..1..1..1
CROSSREFS
Sequence in context: A170800 A204760 A178287 * A345395 A161356 A236735
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 20 2013
STATUS
approved

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)