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A210173 Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or four distinct values, and new values 0..3 introduced in row major order 1
447429, 121178151, 31194685583, 8015152545175, 2054059689574097, 526005343487519133, 134623935213997208181, 34444100480845830787435, 8810801446317160038967977, 2253508518406295673345100975 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A210174
LINKS
EXAMPLE
Some solutions for n=4
..0..0..1..0..2..3..1..0....0..0..0..0..0..0..1..2....0..1..0..2..1..3..0..3
..0..1..1..1..3..2..0..0....1..0..1..0..1..0..0..3....1..0..0..2..1..3..3..3
..0..0..0..0..2..3..1..0....1..0..0..1..0..0..1..2....3..2..2..2..1..1..3..0
..2..2..0..1..3..2..0..0....0..1..1..0..0..1..0..3....0..1..1..2..1..2..0..3
..3..2..2..3..3..3..1..0....1..0..0..1..1..1..0..3....0..1..2..1..1..1..3..3
CROSSREFS
Sequence in context: A224634 A251349 A210307 * A202569 A224635 A234231
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 2012
STATUS
approved

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Last modified July 16 10:51 EDT 2024. Contains 374345 sequences. (Running on oeis4.)