|
%I #4 Mar 31 2012 12:36:21
%S 5,64,228,2524,76008,4781032,610379072,156384109972,80186931236300,
%T 82242416076189492,168705103125227570060,692139594246172489604484,
%U 5679251331757532291639257736
%N Number of nXnXn triangular 0..4 arrays with no element equal to the difference mod 5 of any two of its neighbors
%e Some solutions for 4X4X4
%e .....1........1........3........1........1........1........4........2
%e ....2.2......1.4......3.2......1.4......4.4......4.4......1.4......2.3
%e ...2.2.2....1.1.4....3.3.3....1.4.1....4.4.4....1.4.1....4.4.4....3.2.3
%e ..2.3.3.3..1.1.1.1..2.3.2.3..1.1.4.1..1.4.4.4..4.4.1.4..4.4.4.4..2.3.3.2
%K nonn
%O 1,1
%A _R. H. Hardin_ Aug 07 2011
| 