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A183643 Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock summing to 8 0
85, 1001, 10213, 97145, 889525, 7969001 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A183652
LINKS
EXAMPLE
Some solutions for 3X3
..3..2..1....2..1..0....1..3..0....2..0..4....2..1..2....3..2..2....3..2..3
..2..1..4....2..3..4....3..1..4....4..2..2....2..3..2....0..3..1....0..3..0
..2..3..0....2..1..0....1..3..0....1..1..3....2..1..2....1..4..0....2..3..2
CROSSREFS
Sequence in context: A202009 A194533 A069308 * A206163 A020239 A297587
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 06 2011
STATUS
approved

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Last modified May 27 06:20 EDT 2024. Contains 372848 sequences. (Running on oeis4.)