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A184494 Number of (n+1)X7 0..2 arrays with every 2X2 subblock sum greater than 4 1

%I #5 Mar 31 2012 12:36:00

%S 97312,26384550,4649028105,986037480116,194850008261157,

%T 39657122226381527,7976784799815632924,1612270608569309926290,

%U 325233657810875334156002,65660150158381325444569431

%N Number of (n+1)X7 0..2 arrays with every 2X2 subblock sum greater than 4

%C Column 6 of A184497

%H R. H. Hardin, <a href="/A184494/b184494.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X7

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 15 2011

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Last modified May 29 10:34 EDT 2023. Contains 363029 sequences. (Running on oeis4.)