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A206963 Number of nX4 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal 1

%I

%S 232,53824,9499613,1657999936,291206601222,51177439652621,

%T 8992951964423491,1580210545765137782,277669667860471764390,

%U 48791299432306803317381,8573463827804356246243292

%N Number of nX4 0..3 arrays avoiding the pattern z z+1 z in any row, column or nw-to-se diagonal

%C Column 4 of A206967

%H R. H. Hardin, <a href="/A206963/b206963.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 14 2012

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Last modified October 5 23:01 EDT 2022. Contains 357261 sequences. (Running on oeis4.)