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A204887 Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..2 introduced in row major order 1

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

%S 667323,75253867,8701605702,903927237183,98052864809232,

%T 10659390891595055,1149089581382093469,124287568065325704231,

%U 13445654382007212367253,1453624500999002952230942

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

%C Column 3 of A204889

%H R. H. Hardin, <a href="/A204887/b204887.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 20 2012

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)