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A183846
Number of (n+1)X(n+1) 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others
0
35, 429, 9557, 448665, 40482339, 9808052813, 5102345174752, 6963325147796767, 21046774704680367392, 146145472233705207996377, 2243552020457712284374333510
OFFSET
1,1
COMMENTS
Diagonal of A183854
EXAMPLE
Some solutions for 3X3
..2..3..2....2..1..2....2..2..2....1..2..3....1..3..1....0..2..2....0..0..0
..3..1..3....1..3..3....0..0..2....3..1..1....1..2..3....0..2..0....2..2..2
..3..2..1....3..2..1....0..0..2....3..2..3....1..3..1....0..2..0....0..0..0
CROSSREFS
Sequence in context: A133317 A322879 A105947 * A219936 A298946 A219582
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2011
STATUS
approved