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A233244 Number of 6Xn 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order 1

%I #4 Dec 06 2013 13:56:50

%S 1248,2565169,8259321811,26484848685044,85091928322674062,

%T 273407904115337411320,878515500504975619593232,

%U 2822866314474146429532816501,9070511857884868729790040866912

%N Number of 6Xn 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order

%C Row 6 of A233239

%H R. H. Hardin, <a href="/A233244/b233244.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0....0..0

%e ..0..1....0..1....0..1....0..0....0..1....0..0....0..1....0..0....0..0....0..1

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 06 2013

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)