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A214600 Number of 7X7X7 triangular 0..n arrays with every horizontal row having the same average value 1

%I

%S 2,1127599139,71200442882,43988453613377,1279414854562952,

%T 53475958137232241,841074553776240002,12274806721494593819,

%U 116639524609385372432,987544941072308915067,6454982934188302466812

%N Number of 7X7X7 triangular 0..n arrays with every horizontal row having the same average value

%C Row 7 of A214595

%H R. H. Hardin, <a href="/A214600/b214600.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

%e .......0.2............0.2............0.2............0.2............0.2

%e ......1.1.1..........1.1.1..........1.1.1..........1.1.1..........1.1.1

%e .....1.1.1.1........1.1.1.1........1.1.1.1........1.1.1.1........1.1.1.1

%e ....1.1.1.1.1......1.1.1.1.1......1.1.1.1.1......1.1.1.1.1......1.1.1.1.1

%e ...1.2.0.0.1.2....2.0.1.2.1.0....1.3.1.0.1.0....1.0.2.1.2.0....1.3.1.1.0.0

%e ..0.3.0.0.3.1.0..2.0.0.0.1.3.1..3.1.0.1.2.0.0..0.3.0.0.0.1.3..0.0.2.2.1.0.2

%K nonn

%O 1,1

%A _R. H. Hardin_ Jul 22 2012

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Last modified January 18 05:09 EST 2020. Contains 330995 sequences. (Running on oeis4.)