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 A221816 Number of n X 5 arrays of occupancy after each element moves to some horizontal, diagonal or antidiagonal neighbor, without move-in move-out straight through or left turns. 0
 0, 459, 7320, 854959, 35993876, 2428955613, 129447996326, 7724887856687, 436026216073506, 25287203918142223, 1447193400737482466, 83360775579090600519, 4786565078482676164476, 275268393979592262231620 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 5 of A221817. LINKS Table of n, a(n) for n=1..14. EXAMPLE Some solutions for n=3 ..0..2..1..1..0....0..2..1..0..0....0..1..1..0..2....1..1..0..0..0 ..0..1..2..2..1....0..1..1..2..2....0..2..1..2..0....1..2..1..3..2 ..0..2..1..1..1....1..2..1..2..0....1..2..1..2..0....1..1..0..2..0 CROSSREFS Cf. A221817. Sequence in context: A227754 A253527 A183964 * A048923 A329292 A252535 Adjacent sequences: A221813 A221814 A221815 * A221817 A221818 A221819 KEYWORD nonn AUTHOR R. H. Hardin, Jan 26 2013 STATUS approved

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Last modified May 31 23:42 EDT 2023. Contains 363068 sequences. (Running on oeis4.)