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A270508 Number of nXnXn triangular 0..6 arrays with some element plus some adjacent element totalling 6+1 exactly once. 0

%I #3 Mar 18 2016 08:02:09

%S 0,90,40392,65046258,448630205184,14156156843376732,

%T 2109167396478578514420,1510530585264765595630150668

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

%C Column 6 of A270509.

%e Some solutions for n=3

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

%e ...4.0....4.6....4.3....0.4....6.3....4.6....4.6....1.2....3.5....1.3....4.4

%e ..6.5.6..6.6.0..2.1.0..4.2.5..6.0.2..0.0.6..4.4.1..3.6.6..4.5.5..0.5.5..1.1.3

%Y Cf. A270509.

%K nonn

%O 1,2

%A _R. H. Hardin_, Mar 18 2016

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Last modified July 25 15:32 EDT 2024. Contains 374612 sequences. (Running on oeis4.)