A270847 - OEIS

%I #3 Mar 24 2016 08:34:55

%S 0,66,1650,108348,15754872,5805948474,5281372355106,11945149897295976,

%T 67197347870563441956,942226132122315020612652,

%U 32978490136427533663379223282,2885163807024594872443402033028412

%N Number of nXnXn triangular 0..5 arrays with some element plus some adjacent element totalling 5+1, 5 or 5-1 exactly once.

%C Column 5 of A270850.

%e Some solutions for n=4

%e .....4........2........0........0........2........3........0........4

%e ....0.3......0.2......0.3......3.0......0.1......4.3......3.5......5.3

%e ...1.0.0....0.0.0....1.0.2....0.0.2....2.1.0....3.4.5....5.5.4....3.4.4

%e ..0.1.1.0..2.1.0.2..0.0.1.1..3.3.0.0..2.0.2.1..4.4.3.5..4.3.5.5..2.5.3.5

%Y Cf. A270850.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 24 2016