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A186935 Number of (n+1)X6 binary arrays with every 2X2 subblock trace equal to exactly one or two horizontal and vertical neighbor 2X2 subblock traces 1
344, 6848, 46960, 400192, 3026432, 25314744, 199197496, 1627815216, 12959411184, 105094646680, 841526384968, 6794773877768, 54572082394368, 439857772138872, 3537187036922272, 28484975285666720, 229175684311650976 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A186939
LINKS
EXAMPLE
Some solutions for 4X6
..1..1..0..1..1..1....0..0..0..0..1..1....1..0..1..1..1..1....1..1..1..0..0..0
..1..1..0..1..1..1....0..0..1..1..1..1....0..0..1..0..1..1....1..1..1..1..1..1
..1..1..0..0..1..1....0..0..1..1..0..1....1..0..0..0..1..0....1..1..0..0..1..1
..0..1..0..0..1..0....1..0..1..1..0..1....1..0..1..0..0..0....0..1..1..1..1..1
CROSSREFS
Sequence in context: A246630 A250921 A262791 * A340173 A115221 A065499
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 01 2011
STATUS
approved

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Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)