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A234407 Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 and no adjacent elements equal 1

%I

%S 2540,38236,578080,9552088,160156724,2732474648,46838063500,

%T 805631496848,13873456358988,239079417935660,4121153439939600,

%U 71049641967894584,1224988034617402112,21121099804239729456,364172469147540913848

%N Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 and no adjacent elements equal

%C Column 2 of A234412

%H R. H. Hardin, <a href="/A234407/b234407.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A234407/a234407.txt">Empirical recurrence of order 52</a>

%F Empirical recurrence of order 52 (see link above)

%e Some solutions for n=2

%e ..6..5..0....2..6..2....3..0..5....1..2..0....0..5..0....2..0..6....6..5..0

%e ..1..6..5....0..2..0....2..5..6....0..6..1....3..6..4....6..3..5....1..6..5

%e ..0..5..0....4..0..4....3..0..2....4..5..0....4..1..0....4..0..6....6..5..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 25 2013

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Last modified May 21 21:43 EDT 2022. Contains 353929 sequences. (Running on oeis4.)