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A235741 Number of (n+1)X(5+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1

%I #4 Jan 15 2014 07:31:34

%S 167892,36199157,7433913626,1402427258099,257369376150524,

%T 45081614802280999,7733449708119520219,1291234700949405911512,

%U 212256857362792812709735,34319052523965233251921090

%N Number of (n+1)X(5+1) 0..2 arrays with the sum of each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise

%C Column 5 of A235742

%H R. H. Hardin, <a href="/A235741/b235741.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 15 2014

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