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A241359 Number of 4Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4 1
7, 4, 55, 128, 228, 1721, 5663, 11909, 69946, 220363, 570699, 2878602, 8802473, 26886516, 121529632, 369658890, 1215513262, 5099671734, 15392472866, 53972192998, 212784319669, 651213834921, 2381746719520, 8889638737979 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A241356
LINKS
EXAMPLE
Some solutions for n=4
..3..2..3..3....3..2..3..3....2..3..3..3....2..3..3..2....3..2..3..3
..3..1..2..3....3..1..2..1....2..1..1..1....2..1..1..1....3..1..1..3
..2..3..0..2....2..3..3..3....3..2..3..2....3..2..3..3....2..1..0..2
..3..1..1..2....3..2..0..2....3..1..3..1....3..2..2..1....2..0..0..3
CROSSREFS
Sequence in context: A270320 A270332 A038270 * A239602 A100976 A152627
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 20 2014
STATUS
approved

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)