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A271436 Number of nXnXn triangular 0..5 arrays with new values introduced in sequential zero-upwards order and exactly one 2x2x2 triangle having values all equal and exactly one 2x2x2 triangle having values all different. 0

%I

%S 0,0,12,1629,153984,16992846,2653292322,639869193777,247683857110080

%N Number of nXnXn triangular 0..5 arrays with new values introduced in sequential zero-upwards order and exactly one 2x2x2 triangle having values all equal and exactly one 2x2x2 triangle having values all different.

%C Column 5 of A271437.

%e Some solutions for n=4

%e .....0........0........0........0........0........0........0........0

%e ....1.0......0.1......1.1......0.0......1.2......1.1......1.0......1.0

%e ...2.1.3....0.1.0....2.1.3....1.2.0....2.2.1....2.1.0....1.0.2....0.0.0

%e ..2.1.1.1..2.1.0.0..1.2.3.1..1.2.0.2..3.2.1.4..1.2.0.1..1.1.2.0..2.3.3.0

%Y Cf. A271437.

%K nonn

%O 1,3

%A _R. H. Hardin_, Apr 07 2016

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Last modified August 14 03:43 EDT 2020. Contains 336477 sequences. (Running on oeis4.)