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A271031 Number of nXnXn triangular 0..5 arrays with some element less than a w, nw or ne neighbor exactly once. 0

%I #3 Mar 29 2016 07:44:12

%S 0,70,2268,58036,1402082,33505396,804566180,19525545192,479803630966,

%T 11941873574498,300926010716524,7672376906432844,197762508822690802

%N Number of nXnXn triangular 0..5 arrays with some element less than a w, nw or ne neighbor exactly once.

%C Column 5 of A271034.

%e Some solutions for n=4

%e .....1........1........0........0........1........0........0........2

%e ....0.1......1.2......1.2......3.3......1.1......0.4......1.1......0.2

%e ...0.2.2....0.3.4....1.2.4....0.3.3....1.1.2....4.4.4....3.5.5....0.2.3

%e ..3.3.3.4..3.3.5.5..2.2.5.4..0.3.5.5..3.2.3.4..5.5.4.5..1.5.5.5..1.2.4.5

%Y Cf. A271034.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 29 2016

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