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A235655 Number of (n+1)X(3+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise 1

%I

%S 160,1368,11236,85700,627189,4396769,29920256,198335901,1289725913,

%T 8254247466,52203733525,327041542672,2034356588846,12585148968678,

%U 77538471852097,476245181222104,2918495960358086,17854830618129496

%N Number of (n+1)X(3+1) 0..1 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order rowwise and columnwise

%C Column 3 of A235660

%H R. H. Hardin, <a href="/A235655/b235655.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A235655/a235655.txt">Empirical recurrence of order 69</a>

%F Empirical recurrence of order 69 (see link above)

%e Some solutions for n=4

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 13 2014

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Last modified April 19 21:57 EDT 2021. Contains 343117 sequences. (Running on oeis4.)