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%I #3 Mar 14 2016 09:16:34
%S 0,108,42750,51535116,233617868244,4283012188676772,
%T 328713317385409802664,107663927634151968562969608
%N Number of nXnXn triangular 0..6 arrays with some element plus some adjacent element totalling 6 exactly once.
%C Column 6 of A270256.
%e Some solutions for n=3
%e ....4......2......3......0......5......6......3......5......4......2......4
%e ...6.0....1.4....6.2....3.5....4.2....1.1....5.3....3.6....6.1....6.4....4.6
%e ..4.4.1..0.1.1..5.1.6..3.6.6..4.3.0..4.2.1..4.0.1..3.6.3..4.2.6..1.6.1..5.2.1
%Y Cf. A270256.
%K nonn
%O 1,2
%A _R. H. Hardin_, Mar 14 2016
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