|
%I #5 Aug 12 2016 06:53:59
%S 9,314,27315,3343156,501954949,84214451308,14916510402358,
%T 2723160268532575
%N Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, west or northwest neighbor modulo 5 and the upper left element equal to 0.
%C Row 5 of A266832.
%e Some solutions for n=3
%e ..0..4..1....0..3..3....0..4..4....0..3..0....0..2..2....0..3..1....0..4..2
%e ..2..4..3....4..2..0....0..3..1....2..2..0....0..4..1....2..0..3....0..3..1
%e ..4..2..1....4..2..0....0..3..3....2..1..4....0..3..3....1..4..2....4..3..3
%e ..3..2..1....1..4..2....2..2..2....4..1..3....4..2..1....0..4..4....2..2..1
%e ..3..0..0....3..1..1....1..1..4....1..4..3....3..1..4....3..2..1....0..4..1
%Y Cf. A266832.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 04 2016
| 