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A236494 Number of (5+1)X(n+1) 0..2 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise 1

%I #4 Jan 27 2014 04:39:23

%S 167095,33951181,6319589033,1095464601321,182308906034159,

%T 29439585362614471,4665191068857484233,729932548830479987349,

%U 113283931213865070438195,17489434164403493554005395

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

%C Row 5 of A236490

%H R. H. Hardin, <a href="/A236494/b236494.txt">Table of n, a(n) for n = 1..30</a>

%e Some solutions for n=1

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 27 2014

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Last modified July 15 00:00 EDT 2024. Contains 374323 sequences. (Running on oeis4.)