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A233222 Number of 6 X n 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order. 1
1248, 6147803, 39892988056, 260625046992322, 1703198747507336644, 11130643973331790638169, 72740398470430937674004869, 475369264454506308909509859832, 3106608492809118433602110336035510 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 6 of A233217.
LINKS
FORMULA
Empirical recurrence of order 42 (see link above).
EXAMPLE
Some solutions for n=2:
..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0
..0..0....0..1....0..1....0..0....0..1....0..0....0..0....0..0....0..1....0..1
..1..2....0..2....0..1....1..0....0..1....1..1....1..2....1..2....1..0....0..2
..5..2....5..2....0..2....0..2....2..4....0..4....0..1....4..5....2..1....5..1
..1..5....0..1....5..1....5..1....0..0....0..2....0..3....4..3....2..1....2..0
..1..5....2..4....5..5....0..1....4..3....1..5....4..3....3..3....3..1....4..3
CROSSREFS
Sequence in context: A233261 A233201 A233244 * A020384 A086709 A215719
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2013
STATUS
approved

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Last modified March 29 06:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)