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A241355 Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of 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 0
20, 103, 641, 5663, 32942, 247664, 1904754, 12340892, 104529676, 729080777, 5436001228, 44321599723 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A241356
LINKS
EXAMPLE
Some solutions for n=3
..2..3..3..3..2..3..3....2..3..3..2..3..3..2....3..2..3..3..2..3..3
..2..1..1..1..2..2..2....2..1..1..2..1..1..1....3..1..2..1..2..2..1
..3..2..2..0..0..1..3....3..2..3..2..0..3..3....2..3..0..2..0..0..2
CROSSREFS
Sequence in context: A077757 A126859 A071334 * A220207 A189950 A045768
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 20 2014
STATUS
approved

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Last modified March 4 16:59 EST 2024. Contains 370532 sequences. (Running on oeis4.)