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A236889 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal 1

%I #5 Aug 11 2014 22:46:09

%S 2605,19005,134361,1107653,9168057,83876241,790250057,8009517233,

%T 83737435605,917784582345,10269819192521,117934655230729,

%U 1369232459021877,16101100336780961,190317918014799501

%N Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock equal

%C Column 4 of A236893

%H R. H. Hardin, <a href="/A236889/b236889.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A236889/a236889.txt">Empirical recurrence of order 59</a>

%F Empirical recurrence of order 59 (see link above)

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 01 2014

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)