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A235529 Number of (n+1)X(3+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise 1

%I #4 Jan 11 2014 17:46:59

%S 2996,102687,4295649,140614400,4492923265,120808065816,3063485786072,

%T 69645586587955,1495519651732182,29857757996570399,567731079489296912,

%U 10249467332866019470,177776286043094726447,2965935579570089700509

%N Number of (n+1)X(3+1) 0..2 arrays with the sum of each 2X2 subblock two median terms lexicographically nondecreasing rowwise and columnwise

%C Column 3 of A235531

%H R. H. Hardin, <a href="/A235529/b235529.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 11 2014

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Last modified April 16 02:53 EDT 2024. Contains 371696 sequences. (Running on oeis4.)