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A239853 Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4 1
4, 9, 44, 84, 130, 343, 685, 1704, 3977, 7958, 18574, 40388, 86314, 203202, 433430, 967411, 2205109, 4735287, 10746065, 23937983, 52281965, 118605335, 261244402, 578751600, 1302168082, 2864205270, 6395152778, 14272351652, 31509181522 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A239858
LINKS
EXAMPLE
Some solutions for n=4
..3..2..3....2..3..3....3..2..3....3..2..3....3..2..3....2..3..2....3..2..3
..2..1..0....3..1..2....2..1..0....2..1..2....2..1..0....3..1..3....2..1..0
..3..0..2....3..2..3....3..0..2....3..1..2....3..0..2....3..1..3....2..0..0
..2..1..0....3..1..3....3..2..0....3..2..2....2..1..2....2..3..3....2..0..0
CROSSREFS
Sequence in context: A093149 A048054 A284973 * A209079 A149170 A357447
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 2014
STATUS
approved

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Last modified April 17 18:43 EDT 2024. Contains 371765 sequences. (Running on oeis4.)