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A233222 Number of 6 X n 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally 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 #9 Aug 11 2014 22:45:56

%S 1248,6147803,39892988056,260625046992322,1703198747507336644,

%T 11130643973331790638169,72740398470430937674004869,

%U 475369264454506308909509859832,3106608492809118433602110336035510

%N Number of 6 X n 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally 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 A233217.

%H R. H. Hardin, <a href="/A233222/b233222.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A233222/a233222.txt">Empirical recurrence of order 42</a>

%F Empirical recurrence of order 42 (see link above).

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 06 2013

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Last modified April 25 12:27 EDT 2024. Contains 371969 sequences. (Running on oeis4.)