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A205474 Number of (n+1)X8 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order 1

%I #5 Mar 31 2012 12:37:06

%S 46709,2686876,162976758,10546235416,690109737187,45724154665434,

%T 3037575583505983,202436915929887731,13498762783933351903,

%U 900966011839550985373,60138771941362142753965,4015480503188389069062751

%N Number of (n+1)X8 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order

%C Column 7 of A205475

%H R. H. Hardin, <a href="/A205474/b205474.txt">Table of n, a(n) for n = 1..92</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 27 2012

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)