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A214901 Number of nXnXn triangular 0..3 arrays with every horizontal row nondecreasing and having the same average value 1

%I

%S 4,6,14,50,242,1682,13442,134402,1612802,22579202,361267202,

%T 6864076802,144145612802,3459494707202,93406357094402,

%U 2802190712832002,92472293523456002,3421474860367872002,136858994414714880002

%N Number of nXnXn triangular 0..3 arrays with every horizontal row nondecreasing and having the same average value

%C Column 3 of A214906

%H R. H. Hardin, <a href="/A214901/b214901.txt">Table of n, a(n) for n = 1..89</a>

%e Some solutions for n=4

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

%e ....1.1......1.1......0.2......2.2......0.2......2.2......0.2......1.1

%e ...1.1.1....0.1.2....0.0.3....0.3.3....0.0.3....1.2.3....0.1.2....1.1.1

%e ..0.1.1.2..0.1.1.2..0.1.1.2..0.2.3.3..1.1.1.1..0.2.3.3..0.0.2.2..0.0.2.2

%K nonn

%O 1,1

%A _R. H. Hardin_ Jul 29 2012

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Last modified August 4 19:54 EDT 2020. Contains 336202 sequences. (Running on oeis4.)