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 A217244 Number of triangular nXnXn arrays of occupancy after each element moves to some neighbor and with no occupancy greater than 6. 0
 0, 7, 182, 22730, 10528984, 18932213525 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 6 of A217245 LINKS Table of n, a(n) for n=1..6. EXAMPLE Some solutions for n=4 .....0........1........2........0........1........0........2........2 ....0.2......2.0......1.1......1.0......2.2......1.0......0.1......1.3 ...0.6.0....1.2.0....0.0.2....2.3.0....1.0.1....2.1.0....0.1.0....2.0.0 ..0.1.1.0..0.3.1.0..1.2.1.0..0.1.2.1..0.0.2.1..1.0.4.1..0.4.2.0..0.0.1.1 CROSSREFS Sequence in context: A158620 A217242 A217243 * A152436 A176338 A012843 Adjacent sequences: A217241 A217242 A217243 * A217245 A217246 A217247 KEYWORD nonn,hard,more AUTHOR R. H. Hardin Sep 28 2012 STATUS approved

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Last modified June 15 18:41 EDT 2024. Contains 373410 sequences. (Running on oeis4.)