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A210266
Number of (n+1)X8 0..3 arrays containing all values 0..3 with every 2X2 subblock having three distinct values, and new values 0..3 introduced in row major order
1
3828928, 6467110597, 10588222391490, 17377926553935982, 28508853879455964312, 46772256594635018663098, 76734939290291126791703390, 125892128682791619473809468768, 206539882212054243580765021833408
OFFSET
1,1
COMMENTS
Column 7 of A210267
LINKS
EXAMPLE
Some solutions for n=4
..0..0..0..1..0..1..2..3....0..0..0..0..0..1..1..1....0..0..0..0..1..0..2..1
..3..1..3..1..2..0..2..0....1..2..3..2..3..3..0..2....1..2..1..2..0..2..1..3
..2..1..2..3..3..2..3..2....3..1..1..1..1..2..2..1....0..0..2..3..2..1..3..2
..0..2..3..1..2..0..2..0....3..2..3..0..2..0..3..1....1..2..3..0..2..0..3..1
..1..2..0..3..1..0..3..2....2..0..3..1..0..1..3..0....0..1..1..0..1..1..3..0
CROSSREFS
Sequence in context: A253869 A253876 A253542 * A036474 A344904 A344921
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 19 2012
STATUS
approved