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A210131 Number of (n+1)X6 0..3 arrays with every 2X2 subblock having one, three or four distinct values, and new values 0..3 introduced in row major order 1
111993, 88392872, 68668190865, 53426898480029, 41562568796591219, 32333381562091308913, 25153548265096499157320, 19568045656061108846540126, 15222838587628954290925815053, 11842511977410697491841076989064 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A210134
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..0..1..1....0..1..0..1..0..0....0..0..0..0..0..0....0..1..1..2..1..1
..2..1..2..3..1..1....0..2..1..2..3..2....1..2..1..2..1..3....0..2..0..3..0..2
..3..2..3..0..2..3....3..0..1..3..1..1....1..3..3..1..3..0....2..1..1..0..2..1
..3..0..1..2..3..0....2..1..2..3..0..2....0..1..0..0..1..0....0..1..1..2..3..1
..3..1..2..3..0..1....2..0..0..1..3..0....0..2..1..3..3..0....0..3..2..0..1..0
CROSSREFS
Sequence in context: A203739 A172699 A180467 * A111332 A151841 A102497
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 17 2012
STATUS
approved

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Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)