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A266634 Number of 5 X n arrays containing n copies of 0..5-1 with no element 1 greater than its north, west, southeast or southwest neighbor modulo 5 and the upper left element equal to 0. 0

%I #7 Dec 26 2023 16:32:22

%S 9,139,6342,388863,27063372,2069073259,169567752136,14608129152756

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

%C Row 5 of A266632.

%e Some solutions for n=3

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

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

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

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

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

%Y Cf. A266632.

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 01 2016

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)