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A266997 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west, northeast or northwest neighbor modulo 5 and the upper left element equal to 0. 0

%I #5 Aug 12 2016 06:54:00

%S 24,907,67735,6597969,763867475,98274481798,13751142049027

%N Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west, northeast or northwest neighbor modulo 5 and the upper left element equal to 0.

%C Row 5 of A266994.

%e Some solutions for n=3

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

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

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

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

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

%Y Cf. A266994.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 08 2016

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Last modified April 19 07:22 EDT 2024. Contains 371782 sequences. (Running on oeis4.)