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A241428 Number of n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4 0
2, 5, 22, 515, 7495, 377314, 79901137, 34796682706 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Diagonal of A241435
LINKS
EXAMPLE
Some solutions for n=4
..2..2..3..3....3..3..2..2....2..2..3..2....2..2..3..2....2..2..3..2
..2..1..3..2....3..1..2..0....2..1..1..0....2..1..1..2....2..1..1..2
..2..1..2..3....2..2..2..0....3..3..2..2....3..3..2..2....3..3..0..0
..2..0..2..2....2..0..0..0....2..1..2..3....2..2..0..2....2..1..3..0
CROSSREFS
Sequence in context: A326959 A034384 A078419 * A342386 A070281 A355025
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 22 2014
STATUS
approved

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)