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Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any west neighbor modulo 5 and the upper left element equal to 0.
0

%I #5 Aug 12 2016 06:54:15

%S 24,138,1576,29387,679735,17761798,490407156,13531702872,364823204989,

%T 9669161777304

%N Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any west neighbor modulo 5 and the upper left element equal to 0.

%C Row 5 of A267629.

%e Some solutions for n=4

%e ..0..0..1..1....0..1..1..2....0..1..2..3....0..1..2..3....0..0..1..1

%e ..4..0..1..1....1..2..3..4....0..1..1..2....4..4..0..0....2..2..2..3

%e ..2..2..3..4....2..3..4..4....4..4..0..1....1..2..3..4....4..0..0..1

%e ..2..3..4..0....0..0..1..2....2..3..3..4....2..3..3..4....3..4..4..4

%e ..2..3..3..4....3..3..4..0....2..3..4..0....0..1..1..2....1..2..3..3

%Y Cf. A267629.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 18 2016