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A239335 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4 1
12, 172, 2187, 27341, 346028, 4360887, 54774178, 688266175, 8649330696, 108663198449, 1365050486095, 17148274201252, 215420739233431, 2706135761424448, 33994663679676011, 427043158643798758 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A239340
LINKS
FORMULA
Empirical recurrence of order 64 (see link above)
EXAMPLE
Some solutions for n=4
..0..0..0....2..0..0....0..0..2....2..0..0....0..2..2....0..0..2....0..0..2
..0..2..0....0..2..0....2..2..0....0..0..0....0..0..3....2..2..2....2..2..0
..0..2..2....2..2..0....0..0..0....0..0..2....0..0..3....0..3..1....3..2..3
..2..2..3....2..0..0....2..0..2....0..0..3....0..2..0....0..2..2....3..1..2
CROSSREFS
Sequence in context: A099270 A187361 A366235 * A120662 A230815 A099930
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 16 2014
STATUS
approved

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Last modified May 20 08:05 EDT 2024. Contains 372703 sequences. (Running on oeis4.)