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A210163
Number of (n+1)X7 0..3 arrays with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order
1
5608216, 46257884813, 381562168006676, 3147440073860364317, 25962633684406082924528, 214160856104080731185022846, 1766572383518778985494433173997, 14572121378241022983911998699738096
OFFSET
1,1
COMMENTS
Column 6 of A210165
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..2..1..1..0....0..0..0..0..0..1..1....0..1..2..1..0..2..3
..2..0..3..1..0..2..1....1..0..1..0..1..0..1....2..2..3..1..1..1..3
..1..0..2..1..0..1..0....0..0..0..1..1..1..0....2..3..2..3..1..2..1
..2..2..1..0..3..1..0....2..3..0..1..2..1..1....1..1..2..0..3..3..1
..1..0..0..0..1..2..0....2..1..3..3..1..1..2....3..3..1..2..2..3..0
CROSSREFS
Sequence in context: A069316 A022210 A057882 * A114685 A234174 A258536
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 18 2012
STATUS
approved