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 A221487 Number of 5Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without consecutive moves in the same direction 0
 0, 256, 1980, 865318, 48514602, 6681667775, 579209730382, 63151886490539, 6122578678693488, 629811753399775239 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 5 of A221483 LINKS EXAMPLE Some solutions for n=3 ..1..1..0....0..2..0....0..3..0....1..1..0....0..3..0....0..2..0....0..3..0 ..1..3..0....1..3..0....1..2..1....1..3..0....1..0..1....1..3..1....1..1..1 ..0..2..1....1..2..1....0..1..0....0..2..1....1..3..0....0..1..1....0..2..2 ..0..3..1....0..1..1....1..1..1....0..1..1....0..3..1....0..3..1....0..2..1 ..1..1..0....0..2..1....1..3..0....1..3..0....0..1..1....0..1..1....0..2..0 CROSSREFS Sequence in context: A205363 A237340 A237333 * A014711 A236451 A236445 Adjacent sequences: A221484 A221485 A221486 * A221488 A221489 A221490 KEYWORD nonn AUTHOR R. H. Hardin Jan 17 2013 STATUS approved

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Last modified March 31 05:11 EDT 2023. Contains 361634 sequences. (Running on oeis4.)