A270604 - OEIS

%I #3 Mar 20 2016 10:54:04

%S 0,120,23448,13177740,25162747992,176610474548304,4757551848002860896,

%T 504235830402554520290820,213082697840230591135069403580

%N Number of nXnXn triangular 0..6 arrays with some element plus some adjacent element totalling 6+1 or 6-1 exactly once.

%C Column 6 of A270606.

%e Some solutions for n=3

%e ....4......3......6......5......0......1......2......5......6......1......2

%e ...5.4....6.2....6.6....3.5....0.3....0.3....3.6....4.6....3.0....6.0....4.0

%e ..1.4.6..4.6.4..3.2.0..2.6.5..2.3.6..0.2.6..0.0.4..5.2.6..1.2.2..6.4.2..2.6.1

%Y Cf. A270606.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 20 2016