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A206794 Number of nX5 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal 1

%I #5 Mar 31 2012 12:37:12

%S 883,779689,420657877,222851712982,120305843593958,65062863493632615,

%T 35167047469699730422,19004801554874439636884,

%U 10270327007308337981249938,5550227464430262903036046771,2999437616268613754031487694079

%N Number of nX5 0..3 arrays avoiding the pattern z z+1 z in any row, column, diagonal or antidiagonal

%C Column 5 of A206797

%H R. H. Hardin, <a href="/A206794/b206794.txt">Table of n, a(n) for n = 1..21</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 12 2012

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)