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%I #3 Mar 18 2016 08:01:22
%S 0,36,4584,1522068,1489277664,4560833505432,44967908021958960,
%T 1450801761221082616968,154736319577816788156716880,
%U 54932906387551131414935945306700
%N Number of nXnXn triangular 0..4 arrays with some element plus some adjacent element totalling 4+1 exactly once.
%C Column 4 of A270509.
%e Some solutions for n=3
%e ....2......2......0......0......3......1......0......0......4......4......2
%e ...2.2....4.4....4.3....1.2....2.4....3.3....3.4....2.0....2.4....1.0....0.2
%e ..3.1.1..2.0.1..3.4.1..4.0.0..4.4.0..4.1.3..1.2.4..3.0.3..3.4.4..3.3.4..4.0.3
%Y Cf. A270509.
%K nonn
%O 1,2
%A _R. H. Hardin_, Mar 18 2016