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A210401 Number of (n+1)X6 0..3 arrays with every 2X2 subblock having one or three distinct values, and new values 0..3 introduced in row major order 1
48689, 15072359, 4631193134, 1424263182001, 437975212393770, 134683271058638241, 41416871324907300274, 12736232904829456441673, 3916559147436595608586666, 1204393458629921029588921777 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A210404
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..0..0..0....0..1..0..1..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..0..2..2..1..3..1....0..2..1..2..0..0....1..2..3..2..3..2....1..2..1..2..1..3
..3..0..1..3..0..3....3..0..1..3..2..1....3..2..0..3..1..1....1..3..3..1..3..0
..0..1..2..2..0..1....2..2..2..3..0..1....2..1..1..3..2..3....0..1..0..0..1..0
..1..2..3..0..3..3....2..2..2..1..3..0....2..3..2..1..1..1....0..2..1..3..3..0
CROSSREFS
Sequence in context: A173780 A252444 A237146 * A067869 A175278 A336189
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 21 2012
STATUS
approved

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Last modified June 18 03:29 EDT 2024. Contains 373468 sequences. (Running on oeis4.)