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A204882 Number of (n+2)X5 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly one way, and new values 0..3 introduced in row major order 1

%I #5 Mar 31 2012 12:37:03

%S 2604782,432151810,79228199600,10058007480113,1629930181925176,

%T 278416657584301522,43249200296179000230,7038055116432979247131,

%U 1162867932998943910999285,188284088880350804394805596

%N Number of (n+2)X5 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly one way, and new values 0..3 introduced in row major order

%C Column 3 of A204884

%H R. H. Hardin, <a href="/A204882/b204882.txt">Table of n, a(n) for n = 1..13</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 20 2012

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Last modified September 9 01:17 EDT 2024. Contains 375759 sequences. (Running on oeis4.)