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A230512 Number of nX5 0..7 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero 0

%I #3 Oct 21 2013 20:50:25

%S 0,8,1716,129874,10308020,918775180,84808478358,7687975511996

%N Number of nX5 0..7 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero

%C Column 5 of A230513

%e Some solutions for n=3

%e ..0..7..6..5..4....0..1..2..3..2....0..5..6..7..6....0..7..4..3..2

%e ..1..6..5..2..3....7..0..5..4..3....1..4..7..0..7....1..4..5..0..1

%e ..2..3..4..3..2....6..7..6..3..2....2..3..2..1..6....2..3..6..7..6

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 21 2013

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Last modified April 23 19:56 EDT 2024. Contains 371916 sequences. (Running on oeis4.)