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A251209 Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to a nonzero multiple of 2 1
369920, 29664576, 3233921644, 447556857260, 71260903869938, 12268979186486228, 2203266860629332142, 404818450444861746682, 75308826327253124055454, 14104883228288092210397394 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A251210
LINKS
EXAMPLE
Some solutions for n=1
..0..0..2..1..1..0..1..1....0..2..1..0..0..1..0..1....0..1..2..1..1..0..1..2
..1..1..1..2..0..1..2..2....2..2..1..2..0..1..2..1....2..1..2..1..1..2..1..2
CROSSREFS
Sequence in context: A172682 A172778 A172666 * A252800 A291638 A219284
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 30 2014
STATUS
approved

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Last modified June 14 08:01 EDT 2024. Contains 373393 sequences. (Running on oeis4.)