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%I #6 Aug 12 2016 06:53:59
%S 24,792,30488,1584088,90246168,5533645144,354287812504,23438167067992,
%T 1588563008696472,109745354981510424,7698924566697728408,
%U 546968972191022407320,39272717077742756110936,2845288828126748244839576
%N Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal neighbor equal to 4-1.
%C Row 4 of A265882.
%H R. H. Hardin, <a href="/A265884/b265884.txt">Table of n, a(n) for n = 1..20</a>
%e Some solutions for n=3
%e ..0..1..1....1..3..2....0..0..1....1..1..0....1..3..3....3..1..1....0..0..2
%e ..0..0..1....3..3..2....3..1..1....2..2..2....1..0..1....2..0..0....2..3..1
%e ..2..2..3....0..1..0....2..2..3....3..3..3....2..0..2....2..3..2....3..1..0
%e ..2..3..3....1..0..2....0..2..3....0..1..0....0..2..3....0..1..3....2..3..1
%Y Cf. A265882.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 17 2015