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A236080 Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise 1

%I #4 Jan 19 2014 06:23:49

%S 26088,2634205,271135379,25485868729,2353737191047,204552132539376,

%T 17233100445331692,1392972211300394038,109481604802959903906,

%U 8367007441759114619350,626181631775394560477219

%N Number of (n+1)X(4+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise

%C Column 4 of A236082

%H R. H. Hardin, <a href="/A236080/b236080.txt">Table of n, a(n) for n = 1..142</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 19 2014

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)