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 A193874 Number of nXnXn triangular 0..3 arrays with no element equal to the difference mod 4 of any two of its neighbors 1
 4, 36, 103, 1179, 33943, 2110051, 268635167, 68723825153, 35184506013367, 36028802839103173, 73786976651882166835, 302231454934581155492511, 2475880078574541543008355341, 40564819207303993488253830603201 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS R. H. Hardin, Table of n, a(n) for n = 1..17 EXAMPLE Some solutions for 4X4X4 .....4........3........1........3........2........3........3........4 ....1.1......2.2......1.1......3.3......3.2......3.3......2.3......1.1 ...4.1.4....2.3.2....1.1.1....2.3.3....2.3.3....2.2.3....3.3.3....1.1.4 ..4.1.4.1..2.3.3.3..1.1.3.1..3.2.2.2..2.2.2.2..3.3.2.2..2.2.2.3..1.1.1.4 CROSSREFS Sequence in context: A152760 A016826 A190318 * A254939 A038688 A076830 Adjacent sequences:  A193871 A193872 A193873 * A193875 A193876 A193877 KEYWORD nonn AUTHOR R. H. Hardin Aug 07 2011 STATUS approved

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Last modified October 22 05:29 EDT 2019. Contains 328315 sequences. (Running on oeis4.)