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 A222096 Number of 4Xn arrays of occupancy after each element stays put or moves to some horizontal, vertical or antidiagonal neighbor, without move-in move-out left turns 1
 21, 3034, 439979, 62776264, 8938090933, 1272224461900, 181075284907525, 25772100415484857, 3668085288770478139, 522070083851345084353, 74305016748179915810183, 10575659301127035698958882 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A222093 LINKS R. H. Hardin, Table of n, a(n) for n = 1..27 EXAMPLE Some solutions for n=3 ..0..0..1....0..0..0....0..1..0....0..0..0....0..1..0....0..1..0....0..0..1 ..2..0..1....4..0..2....3..0..4....2..1..1....2..0..2....2..0..1....1..2..0 ..3..0..2....0..0..2....0..3..0....0..1..1....3..1..2....0..3..0....2..1..0 ..1..0..2....1..2..1....0..1..0....3..2..1....0..0..1....2..0..3....3..1..1 CROSSREFS Sequence in context: A231825 A347604 A222092 * A018238 A189447 A098724 Adjacent sequences:  A222093 A222094 A222095 * A222097 A222098 A222099 KEYWORD nonn AUTHOR R. H. Hardin Feb 07 2013 STATUS approved

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Last modified July 1 12:30 EDT 2022. Contains 354973 sequences. (Running on oeis4.)