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A235788 Number of (5+1)X(n+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise 1

%I #4 Jan 15 2014 13:19:20

%S 95679,9324103,807571787,62858483545,4645650679435,323213978163685,

%T 21584101689684941,1379407344308242861,84967454568698007115,

%U 5045467462001818943211,289850392037124868344743

%N Number of (5+1)X(n+1) 0..2 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise

%C Row 5 of A235784

%H R. H. Hardin, <a href="/A235788/b235788.txt">Table of n, a(n) for n = 1..12</a>

%e Some solutions for n=1

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 15 2014

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)