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A239982
Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4
1
1, 5, 22, 171, 1391, 9079, 70107, 514297, 3533132, 27478686, 195617485, 1396299371, 10574699363, 74869696354, 547239827048, 4060652644276, 28932235350938, 213204213265435, 1560042805514282, 11221251973358733, 82689323867874597
OFFSET
1,2
COMMENTS
Column 4 of A239986
LINKS
EXAMPLE
Some solutions for n=4
..3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0....3..0..0..0
..2..3..0..0....2..1..0..0....3..1..3..0....2..1..0..0....3..1..3..0
..2..0..0..0....2..0..0..0....3..2..3..1....2..0..3..3....3..2..0..3
..3..0..0..1....3..2..0..3....2..3..3..1....3..0..0..2....2..3..0..2
CROSSREFS
Sequence in context: A346410 A121942 A006294 * A129437 A048252 A356773
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 30 2014
STATUS
approved