%I #8 Sep 14 2013 02:21:36
%S 0,7,182,22730,10528984,18932213525
%N Number of triangular nXnXn arrays of occupancy after each element moves to some neighbor and with no occupancy greater than 6.
%C Column 6 of A217245
%e Some solutions for n=4
%e .....0........1........2........0........1........0........2........2
%e ....0.2......2.0......1.1......1.0......2.2......1.0......0.1......1.3
%e ...0.6.0....1.2.0....0.0.2....2.3.0....1.0.1....2.1.0....0.1.0....2.0.0
%e ..0.1.1.0..0.3.1.0..1.2.1.0..0.1.2.1..0.0.2.1..1.0.4.1..0.4.2.0..0.0.1.1
%K nonn,hard,more
%O 1,2
%A _R. H. Hardin_ Sep 28 2012
|