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 A221333 Number of 6Xn arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2 0
 1, 19601, 9637322, 7010554450, 4205264399891, 2568131772343102, 1529318909534974055, 908027872393164105009 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 6 of A221328 LINKS Table of n, a(n) for n=1..8. EXAMPLE Some solutions for n=3 ..0..1..0....0..1..0....0..1..0....0..1..0....0..1..0....0..1..0....0..1..0 ..1..2..0....1..2..2....1..2..0....2..1..0....1..2..1....2..1..0....2..1..0 ..2..1..0....1..1..1....2..2..1....2..1..1....0..2..2....1..2..1....2..1..1 ..2..1..2....1..2..0....1..1..2....0..2..2....1..1..2....2..2..1....2..2..0 ..1..1..0....2..0..2....0..0..1....2..0..2....0..0..1....1..2..1....1..0..2 ..2..1..1....1..0..1....2..1..1....1..0..1....2..2..0....0..1..0....1..0..2 CROSSREFS Sequence in context: A339534 A319062 A344829 * A069369 A156721 A174760 Adjacent sequences: A221330 A221331 A221332 * A221334 A221335 A221336 KEYWORD nonn AUTHOR R. H. Hardin Jan 11 2013 STATUS approved

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Last modified June 20 03:21 EDT 2024. Contains 373512 sequences. (Running on oeis4.)