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A184374
1/3 the number of (n+1)X8 0..2 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically
1
3046491, 5040682279, 8177524177277, 13299774554091575, 21624059735461675335, 35159890626610196979641, 57168347029530545962203193, 92953139774330929595592449437, 151137575901032303453595440035363
OFFSET
1,1
COMMENTS
Column 7 of A184376
LINKS
EXAMPLE
Some solutions for 3X8 with a(1,1)=0
..0..0..0..0..1..1..2..1....0..0..0..0..0..0..1..0....0..0..0..0..2..0..2..1
..0..0..0..0..0..1..2..0....0..0..0..0..2..2..2..0....0..0..0..0..1..1..1..1
..0..0..0..0..0..0..0..0....0..0..0..0..2..0..1..1....0..0..0..0..0..0..0..2
CROSSREFS
Sequence in context: A114065 A268405 A187438 * A205932 A281447 A246249
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 12 2011
STATUS
approved