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A205908 Number of (n+1)X8 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same 1

%I #5 Mar 31 2012 12:37:07

%S 1112664,128014116,12813949461,1250218771158,120298113709833,

%T 11531150817716439,1103442692933402073,105537470758266170052,

%U 10091941018033991430363,964991366887352523440874

%N Number of (n+1)X8 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock the same

%C Column 7 of A205909

%H R. H. Hardin, <a href="/A205908/b205908.txt">Table of n, a(n) for n = 1..22</a>

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 01 2012

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Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)