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A233988 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal 1

%I #4 Dec 18 2013 08:05:57

%S 291648,16042420,869143232,52813238148,3112596618224,191944315497416,

%T 11561322774100248,712841251908681360,43270951708019237896,

%U 2662587274903549797456,162193609948861341600456

%N Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 10, and no two adjacent values equal

%C Column 7 of A233989

%H R. H. Hardin, <a href="/A233988/b233988.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..1..3..2..3..4..2..0....0..2..1..2..1..3..1..3....1..2..0..2..4..3..4..2

%e ..2..3..2..0..1..3..1..2....2..1..3..4..2..1..2..1....3..1..2..1..2..1..2..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 18 2013

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)