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Number of n X n X n triangular 0..7 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.
0

%I #7 May 08 2023 15:11:26

%S 8,232,20840,5349708,3766437036,7118347901224,35699489509054494,

%T 472117658204259171294

%N Number of n X n X n triangular 0..7 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors.

%C Column 7 of A214352.

%e Some solutions for n=3

%e ....4......4......3......6......4......0......4......2......5......0......2

%e ...0.6....7.0....3.2....5.6....4.1....0.0....2.5....1.3....6.3....0.7....6.1

%e ..0.2.7..7.0.5..2.3.2..3.6.0..0.7.1..0.0.2..0.6.3..1.2.3..1.7.1..0.0.7..6.0.7

%Y Cf. A214352.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jul 13 2012