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A241261 Number of 7 X n 0..3 arrays with no element equal to one plus the sum of elements to its left or zero 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. 0
20, 488, 2111, 13328, 225191, 1558957, 13138271, 205823368, 1596727720, 16865140873 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 7 of A241255.
LINKS
EXAMPLE
Some solutions for n=3
..3..3..2....3..3..2....2..2..3....3..3..2....3..3..2....3..3..2....3..3..2
..2..1..1....2..1..1....0..0..2....2..1..1....2..1..3....2..1..3....2..1..3
..2..2..2....2..2..2....0..0..2....0..2..2....2..1..3....2..2..3....2..1..3
..2..1..3....0..0..2....3..3..2....0..3..3....2..2..3....0..0..3....2..0..1
..2..1..1....0..0..2....0..3..3....2..2..3....2..2..2....2..0..2....0..0..2
..2..2..2....0..3..3....0..2..1....2..1..1....2..0..2....0..0..2....0..3..1
..2..0..2....2..2..3....3..3..2....3..2..1....0..0..2....0..0..2....3..2..3
CROSSREFS
Cf. A241255.
Sequence in context: A159753 A252975 A000827 * A118552 A270578 A255492
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2014
STATUS
approved

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Last modified February 29 19:20 EST 2024. Contains 370428 sequences. (Running on oeis4.)