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A267166 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west, southwest or northwest neighbor modulo 5 and the upper left element equal to 0. 0

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

%S 24,411,68482,8718817,1305588167,272693813849,54755346132610

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

%C Row 5 of A267163.

%e Some solutions for n=3

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

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

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

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

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

%Y Cf. A267163.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 11 2016

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Last modified April 23 10:07 EDT 2024. Contains 371905 sequences. (Running on oeis4.)